Hours at an average pace
Showing 100 books
About 1,198 hours for 98 of 100 books with measured lengths. Estimates use 250 words a minute, adjusted for each book's difficulty. At 2 hours a day, about 599 days for those books.
No. 1 on this list. Moby-Dick
Herman Melville · 1851
Difficult26 hours
Included in: Bokklubben World Library, Great Books of the Western World
Melville poured cetology, Shakespearean soliloquy, sermon, sea shanty, and metaphysical dread into one whaling voyage, creating a book that operates simultaneously as adventure novel, encyclopedia, and prose poem about obsession. Nothing in American literature before or since has this range of register in a single work.
No. 2 on this list. Waiting for Godot
Samuel Beckett · 1953
Difficult2.4 hours
Included in: Great Books of the Western World
Waiting for Godot appears on virtually every comparative literature, modern drama, and theater studies syllabus worldwide, and is listed in Open Syllabus's Top 500 Literature titles. The Wikipedia article exists in 68 languages, and the play has been continuously performed since its 1953 Paris premiere. Le Monde named it among the 100 Books of the Century. It is as canonical as any play written after Shakespeare.
No. 3 on this list. The Stranger
Albert Camus · 1942
Challenging3 hours
Included in: Bokklubben World Library
The Stranger appears on Le Monde's 100 Books of the Century, the Open Syllabus Top 500 Literature list, and 1001 Books You Must Read Before You Die. Published in prestige editions by both NYRB Classics and Penguin Modern Classics, it is one of the most assigned existentialist texts in university world literature courses across Europe, North America, and beyond.
No. 4 on this list. Thus Spake Zarathustra A book for all and none
Difficult13 hours
A standard text in philosophy and German-literature courses, and one of the most widely read works of modern philosophy worldwide. Often the entry point to Nietzsche. It ranks with Notes from Underground in curricula, though less often assigned in full than Crime and Punishment.
No. 5 on this list. Dubliners
James Joyce · 1914
Difficult8.1 hours
Taught in schools: CSEC English B – Caribbean Examinations Council
Dubliners appears on 1,771 university syllabi according to the Open Syllabus Project (81st percentile), making it a fixture in modernist literature and short fiction courses worldwide. Its Wikipedia article spans 43 languages, and prestige editions from Penguin Classics and NYRB Classics attest to its sustained standing as essential reading. Every serious curriculum in Irish, British, or modernist literature includes it.
No. 6 on this list. Heart of Darkness
Joseph Conrad · 1899
Challenging4 hours
Taught in schools: Pacific Senior Secondary Certificate – English, Pearson Edexcel GCSE and A-level English Literature (UK)
Included in: Great Books of the Western World
Appears on 5,515 university syllabi according to Open Syllabus (93.5th percentile), placing it above The Great Gatsby in teaching frequency. Listed on the Modern Library 100 Best Novels (1998) and consistently featured on 'essential reading' lists. Wikipedia articles exist in 49 languages, reflecting global canonical reach.
Thomas Pynchon constructs an encyclopedic paranoid masterwork spanning 760 pages of rocket science, Pavlovian conditioning, corporate conspiracy, and encyclopedic digression. Tyrone Slothrop, American lieutenant in wartime London, discovers his sexual conquests map perfectly onto V-2 rocket strike locations—but the erections precede the impacts. Was he conditioned as an infant by sinister behaviorist Laszlo Jamf? Does a corporate-military cartel control history itself? Pynchon provides evidence for every paranoid connection while confirming none. The novel sprawls across 1944-45 Europe, from London under rocket attack to occupied Germany's anarchic Zone, accumulating hundreds of characters, corporate entities, chemical formulas, and historical conspiracies. Pynchon's prose shifts registers violently: technical manuals on rocket engineering dissolve into vaudeville routines, then into lyrical meditations on death and entropy. The vocabulary demands encyclopedic knowledge—thermodynamics, organic chemistry, Tarot, Rilke, film history, brand names. Readers navigate specialized jargon without glossaries, track characters who appear once and vanish, decode references to real and imaginary corporations. The difficulty is purposeful: Pynchon creates textual experience of paranoid information overload. His central symbol, the V-2 rocket, carries impossible symbolic weight: phallic death-bringer, technological sublime, gravity's rainbow parabola from launch to silent impact. The rocket arrives before its sound—death you cannot hear coming. Pynchon explores how technology transforms human consciousness, how corporations and states use Pavlovian conditioning for control, how empire produces extinction (the dodo, the Herero genocide). Concrete plot events—Slothrop's investigation, Roger and Jessica's doomed love, Blicero's ritual rocket launch—carry enormous abstract weight about history, causation, and freedom. The novel asks whether patterns are real or paranoid projection: does Slothrop's conditioning prove control, or is it coincidence interpreted as conspiracy? Pynchon withholds answers. The structure mirrors paranoid thinking—everything potentially connects, secret cartels manipulate history, individual agency vanishes into systems. Slothrop himself fragments as the novel progresses, appearing less frequently, dissolving into scattered references, finally disappearing entirely. The dissolution is structural: as Slothrop loses coherence, so does the narrative. Subplots proliferate, the center fails to hold, entropy increases. The ending places readers in a movie theater in Los Angeles, present tense, as the 00000 rocket descends toward them. The novel freeze-frames before impact, leaving readers perpetually awaiting the explosion. No resolution occurs—narrative, thematic, or moral. Gravity's Rainbow withholds the satisfactions of conventional fiction while demanding enormous interpretive labor. Its encyclopedic scope, technical difficulty, and paranoid plotting make it among English literature's most challenging novels. Pynchon proved unreadability and importance could coexist, that difficulty itself could be the point. The novel's influence on postmodern fiction is incalculable—it established new possibilities for combining history, science, and popular culture in maximalist form. Reading it requires surrender to accumulation, pattern-seeking without resolution, immersion in encyclopedic detail that may or may not signify. The reward is experiencing consciousness under late capitalism: paranoid, fragmented, overwhelmed by information, seeking patterns in noise, awaiting the rocket's silent arrival.
No. 8 on this list. The Decameron
Giovanni Boccaccio · 1353
Moderate20 hours
Included in: Bokklubben World Library
Ten young Florentines flee the Black Death and tell a hundred stories—bawdy, tragic, satirical—that give prose fiction its first great architecture. Chaucer borrowed from it, and the frame-narrative technique Boccaccio perfected here became the scaffolding for centuries of European storytelling.
Rayuela is one of the core novels of the Latin American Boom, taught in Spanish and world literature courses across the Americas and Europe. It appears on most lists of the great Spanish-language novels of the century.
No. 10 on this list. Pedro Páramo
Juan Rulfo · 1955
Difficult3.6 hours
Taught in schools: Literatura, Diseño Curricular – Provincia de Buenos Aires (Argentina), UNAM Escuela Nacional Preparatoria – programas de Literatura (Mexico)
Included in: Bokklubben World Library
Pedro Páramo is the foundational text of Latin American modernism, present in nearly every world literature curriculum globally. Its Wikipedia article spans 26 languages. García Márquez credited it with teaching him how to write One Hundred Years of Solitude — a direct line of influence that alone ensures canonical permanence. Penguin Modern Classics published it in 1961.
No. 11 on this list. The Waves · Virginia Woolf · 1931
Recognized as Woolf's most ambitious experiment. Central to modernist studies.
Difficult9.5 hours
Start this bookNo. 12 on this list. In the Penal Colony · Franz Kafka · 1919
In the Penal Colony is among Kafka's most widely taught stories, a standard text in courses on modernism, German literature and literature and the law. It is reprinted in almost every major Kafka collection.
Challenging42 min
Start this bookNo. 13 on this list. Light in August · William Faulkner · 1932
Faulkner's most accessible major novel. Joe Christmas's search for identity became the definitive portrait of American racial tragedy. Core text in Southern literature and American studies.
Challenging14 hours
Start this bookNo. 14 on this list. Doctor Faustus · Thomas Mann · 1947
Routinely cited as Mann magnum opus and the great novel of German catastrophe. Taught as essential modernist text.
Difficult34 hours
Start this bookNo. 15 on this list. Their Eyes Were Watching God · Zora Neale Hurston · 1937
Taught in schools: Common Core text exemplars (Appendix B) (US)
Appears on 3,011 university syllabi according to the Open Syllabus Project (86.97th percentile), placing it among the most-taught American novels. Featured on TIME's All-TIME 100 Novels list and published in prestigious Library of America and Everyman's Library editions — markers of sustained institutional recognition. Available in 9 Wikipedia languages, reflecting global reach in academic and literary circles.
Challenging5.3 hours
Start this bookNo. 16 on this list. Hills Like White Elephants · Ernest Hemingway · 1927
One of the most anthologized short stories in English, taught in high school and college courses as the model of the iceberg technique. It sits just below the novels at the centre of the American curriculum.
Moderate7 min
Start this bookNo. 17 on this list. White Noise · Don DeLillo · 1985
The definitive novel of American postmodern anxiety. The Airborne Toxic Event, the supermarket as cathedral, the fear of death—DeLillo captured how Americans live among systems they cannot understand.
Challenging9.4 hours
Start this bookNo. 18 on this list. If on a Winter’s Night a Traveler · Italo Calvino · 1982
A staple of university courses in postmodern literature, metafiction, narrative theory, and Italian studies worldwide. Appears on virtually every major list of postmodern masterworks, including the Modern Library and multiple "best novels" compilations. Not as universally assigned as Gatsby or 1984, but firmly established in the literary canon across multiple national traditions and academic disciplines.
Difficult10 hours
Start this bookNo. 19 on this list. The Lord of the Rings (The Lord of the Rings, #1-3) · J.R.R. Tolkien · 1954
Taught in schools: Pacific Senior Secondary Certificate – English
Widely taught in fantasy, medieval-influenced and popular literature courses and ranked among the most read novels, but less dominant on core literary syllabi than Gatsby or Crime and Punishment.
Moderate34 hours
Start this bookNo. 20 on this list. The Crying of Lot 49 · Thomas Pynchon · 1966
Oedipa Maas learns she has been named executor of Pierce Inverarity's estate, a California real estate mogul and former lover whose tangled holdings require investigation. Traveling to the fictional San Narciso with co-executor Metzger, a lawyer, she begins noticing a mysterious symbol—a muted post horn—appearing in unexpected places. Her research into a Jacobean revenge play performed locally reveals references to Tristero, an underground postal system that may have operated in opposition to official mail services for centuries. As Oedipa pursues leads through bizarre informants—Mike Fallopian explaining the Peter Pinguid Society, John Nefastis demonstrating his entropy-reversing machine, professor Emory Bortz debating theatrical textual variants—she cannot determine whether she has discovered a genuine conspiracy or descended into paranoia. Her husband Mucho suffers breakdowns at his disk jockey job while Metzger abandons both the investigation and their affair. Characters appear with improbable names and suspect motives, stamps contain hidden messages, and evidence proliferates without resolving into coherent truth. The novel concludes with Oedipa attending an auction where a mysterious bidder may reveal the conspiracy's reality, but the narrative ends the moment before revelation, suspending her permanently between competing interpretations of American communication, meaning, and madness.
Challenging4.7 hours
Start this book
No. 21 on this list. The Beast In The Jungle · Henry James · 1903
Included in: Great Books of the Western World
Ranked by literary regard among eligible works in the current catalogue. This position reflects the available catalogue evidence.
Challenging1.3 hours
Start this bookNo. 22 on this list. The Fifth Season · N.K. Jemisin · 2015
The Fifth Season won the Hugo Award for Best Novel in 2016, the first book in what became an unprecedented trilogy of consecutive Hugo wins for Jemisin—a feat unmatched in the award's history. It appears on contemporary science fiction and fantasy syllabi and in critical discussions of the genre's formal and political possibilities. Its position in the canon is still consolidating, but its influence on subsequent speculative fiction is already evident.
Difficult18 hours
Start this bookNo. 23 on this list. Women in Love · D.H. Lawrence · 1920
Appears on 241 university syllabi (59th percentile, Open Syllabus Project) and is listed on the Modern Library 100 Best Novels. Wikipedia coverage in 11 languages is modest for a major English novel, suggesting strong Anglophone canonical status that has not fully globalized.
Challenging16 hours
Read nowNo. 24 on this list. Winesburg, Ohio · Sherwood Anderson · 1919
Appears on 548 university syllabi (68th percentile in the Open Syllabus Project) and is included in the Modern Library 100 Best Novels list. Wikipedia coverage in 15 languages is modest relative to works like The Great Gatsby, but the book has a stable presence in American literature survey courses and has never gone out of print since 1919.
Challenging7.5 hours
Read nowNo. 25 on this list. Berlin Alexanderplatz · Alfred Döblin · 1929
Included in: Bokklubben World Library
Widely seen as the great German modernist city novel, taught in German and world literature courses and often paired with Ulysses and Manhattan Transfer. Its standing is high but narrower than the very top of the canon.
Challenging12 hours
Start this bookNo. 26 on this list. Satantango · László Krasznahorkai · 1985
Wikipedia article exists in 22 languages, indicating substantial global reach, and Krasznahorkai's 2025 Nobel Prize in Literature will accelerate institutional attention to the novel. Syllabus appearances are currently negligible — the recent Nobel has not yet translated into widespread university adoption. The novel occupies a firm place in the contemporary European literary canon without yet achieving the fixture status of earlier Nobel laureates.
Difficult14 hours
Start this bookNo. 27 on this list. The Savage Detectives · Roberto Bolaño · 1998
Taught in schools: UNAM Escuela Nacional Preparatoria – programas de Literatura (Mexico)
Wikipedia records the novel in 8 languages and includes a dedicated reception section, indicating meaningful international critical attention. The book appears in world literature courses but lacks the syllabus saturation of García Márquez or Borges. It is a canonical text within post-boom Latin American literature without having achieved the broad pedagogical adoption of the century's founding works.
Challenging26 hours
Start this bookNo. 28 on this list. U.S.A. · John Dos Passos · 1938
Listed on the Modern Library 100 Best Novels (1998), one of relatively few American works on that list. Regularly taught in American literature survey courses at universities and appears on nearly every critic's shortlist for the great American novel of the first half of the 20th century. TIME included it in its All-TIME 100 Novels list. The syllabus data shows low Open Syllabus counts, but the trilogy's academic presence is substantial in upper-division and graduate American literature courses.
Difficult57 hours
Start this bookNo. 29 on this list. Água Viva · Clarice Lispector · 1973
The unnamed narrator of Água Viva is a painter who has turned to words — not to tell a story but to capture the precise texture of the present moment before it slips away. She writes to an unnamed 'you': about caves lined with bats, about a rose that lasted a week because it felt admired, about wild horses in mountain meadows, about the body as a typewriter that demands and demands. There are no chapters, no plot, no characters other than this voice and its recipient. What accumulates instead is a philosophy of the instant: Lispector's attempt to seize the 'is' of things, the 'it' that exists just below language, just beyond thought. The sentences move from fragments to long meditative surges, from declarations of joy to confessions of terror to sudden hallelujahs. Reading it feels less like following a narrative and more like listening to someone think out loud with total commitment and no safety net. It is one of the strangest books in the Brazilian canon — neither novel nor essay nor prose poem but all three at once, vibrating at the frequency of consciousness itself.
Difficult3.2 hours
Start this bookNo. 30 on this list. The Notebooks of Malte Laurids Brigge · Rainer Maria Rilke · 1910
Die Aufzeichnungen des Malte Laurids Brigge is on Le Monde's 100 Books of the Century, with Wikipedia articles in 14 languages. It is taught as a founding text of modernist prose in German and comparative literature courses.
Challenging6 hours
Start this book
No. 31 on this list. What Maisie Knew
Henry James · 1897
Taught in schools: Pearson Edexcel GCSE and A-level English Literature (UK)
No. 32 on this list. Dune
Frank Herbert · 1965
No. 33 on this list. The Rainbow
D.H. Lawrence · 1915
No. 34 on this list. The Passion According to G.H.
Clarice Lispector · 1964
Taught in schools: FUVEST leituras obrigatórias (USP vestibular) (Brazil)
No. 35 on this list. The Wind-Up Bird Chronicle
Haruki Murakami · 1994
No. 36 on this list. The Prime of Miss Jean Brodie
Muriel Spark · 1961
Taught in schools: CSEC English B – Caribbean Examinations Council
No. 37 on this list. Dhalgren
Samuel R. Delany · 1975
No. 38 on this list. The Man Without Qualities
Robert Musil · 1930
Included in: Bokklubben World Library
No. 39 on this list. Our Town
Thornton Wilder · 1938
Taught in schools: Common Core text exemplars (Appendix B) (US), CSEC English B – Caribbean Examinations Council
No. 40 on this list. The Hour of the Star
Clarice Lispector · 1977
No. 41 on this list. The Complete Fiction of Nella Larsen: Passing, Quicksand, and The Stories
Nella Larsen · 2001
No. 42 on this list. Against Nature
Joris-Karl Huysmans · 1884
No. 43 on this list. Glass, Irony and God
Anne Carson · 1995
No. 44 on this list. Дар
Vladimir Nabokov · 1938
No. 45 on this list. Maldoror and the Complete Works
Comte de Lautréamont · 1869
No. 46 on this list. Zazie in the Metro
Raymond Queneau · 1959
No. 47 on this list. Sword & Citadel
Gene Wolfe · 1994
No. 48 on this list. The Luzhin Defense
No. 49 on this list. The Universal Baseball Association, Inc., J. Henry Waugh, Prop.
Robert Coover · 1968
No. 50 on this list. Against the Day
Thomas Pynchon · 2006
No. 51 on this list. 2666
Roberto Bolaño · 2004
No. 52 on this list. Tropisms
Nathalie Sarraute · 1939
No. 53 on this list. Breakfast of Champions
Kurt Vonnegut · 1973
No. 54 on this list. Nox
Anne Carson · 2010
No. 55 on this list. Checkout 19
Claire-Louise Bennett · 2022
No. 56 on this list. Good Morning, Midnight
Jean Rhys · 1939
No. 57 on this list. The Alexandria Quartet
Lawrence Durrell · 1960
No. 58 on this list. I Love Dick
Chris Kraus · 1997
No. 59 on this list. Batman: The Killing Joke
Alan Moore · 1995
No. 60 on this list. Woodcutters
Thomas Bernhard · 1984
No. 61 on this list. Zama
Antonio di Benedetto · 1956
No. 62 on this list. My Struggle: Book 1
Karl Ove Knausgaard · 2009
No. 63 on this list. Almanac of the Dead
Leslie Marmon Silko · 1991
No. 64 on this list. A History of the World in 10½ Chapters
Julian Barnes · 1989
No. 65 on this list. Flatland
Edwin A. Abbott · 1884
No. 66 on this list. House of Leaves
Mark Z. Danielewski · 2000
No. 67 on this list. Speedboat
Renata Adler · 1976
No. 68 on this list. Red Doc>
Anne Carson · 2013
No. 69 on this list. Sometimes a Great Notion
Ken Kesey · 1964
No. 70 on this list. Funeral Rites
Jean Genet · 1947
No. 71 on this list. Americana
Don DeLillo · 1971
No. 72 on this list. Everything Is Illuminated
Jonathan Safran Foer · 2002
No. 73 on this list. All-Star Superman
Grant Morrison · 2011
No. 74 on this list. Batman: Arkham Asylum - A Serious House on Serious Earth
Grant Morrison · 2005
No. 75 on this list. Pierre
Herman Melville · 1852
No. 76 on this list. The garden of Eden
Ernest Hemingway · 1986
No. 77 on this list. Love in the New Millennium
Can Xue · 2013
No. 78 on this list. Sexing the Cherry
Jeanette Winterson · 1998
No. 79 on this list. Last Words from Montmartre
Qiu Miaojin · 1996
No. 80 on this list. Biography of X
Catherine Lacey · 2023
No. 81 on this list. Herscht 07769
László Krasznahorkai · 2021
No. 82 on this list. Wittgenstein’s Mistress
David Markson · 1988
No. 83 on this list. The Suicides
Antonio di Benedetto · 2025
No. 84 on this list. In the Dream House
Carmen Maria Machado · 2019
No. 85 on this list. Europe Central
William T. Vollmann · 2005
No. 86 on this list. Extremely Loud & Incredibly Close
Jonathan Safran Foer · 2006
No. 87 on this list. On Being Blue
William H. Gass · 1975
No. 88 on this list. Requiem: A Hallucination
Antonio Tabucchi · 2002
No. 89 on this list. Same Bed Different Dreams
Ed Park · 2023
No. 90 on this list. Save Me the Waltz
Zelda Fitzgerald · 2001
No. 91 on this list. The Sandman, Vol. 7: Brief Lives
Neil Gaiman · 1999
No. 92 on this list. Frisk
Dennis Cooper · 1991
No. 93 on this list. The King in Yellow
Robert W. Chambers · 1895
No. 94 on this list. The Candy House
Jennifer Egan · 2022
No. 95 on this list. Death of the Author
Nnedi Okorafor · 2025
No. 96 on this list. The End of Everything
M. John Harrison · 2026
No. 97 on this list. Witch Grass
Raymond Queneau · 1942
No. 98 on this list. Untold Night and Day
Bae Suah · 2013
No. 99 on this list. Aliens & Anorexia
Chris Kraus · 2000
No. 100 on this list. Parade
Rachel Cusk · 2024
About this list
These 100 books are the highest-scoring eligible modernist and experimental novels currently in the catalogue. About 1,198 hours of reading in all, for the 98 with measured lengths. Difficulty runs from 59 to 71 out of 100 for the middle half of the list; the summit is Gravity's Rainbow at 84.
This list is ranked by literary regard, with a consistent order for equal scores. Membership follows authors and co-authors, not translators or editors. A book is here when ReadingRate files it under Modernist & Experimental Fiction as one of its primary reading domains. Catalogue coverage and the historical canon both limit what this list can represent.
When we matched the Canons dataset to our catalogue in October 2026, our canonical-status scores rose with the number of school curricula, publisher series and lists in it that cite a work: the median score was 72 for books one such source cites, 84 at two, 88 at three, 92 at four and 93 at five or more. Prizes are left out of that count. Outside the state curricula, the dataset’s sources choose mostly from what has been translated into English or French, so it is a weaker check on other literatures. Source: Canons (Andrew Piper), CC BY 4.0
Questions people actually ask
- What are the best modernist and experimental novels?
- By literary regard, which weighs canonical status, critical standing and influence: Moby-Dick by Herman Melville, Waiting for Godot by Samuel Beckett, The Stranger by Albert Camus, Thus Spake Zarathustra A book for all and none by Friedrich Nietzsche and Dubliners by James Joyce. ReadingRate ranks 100 such books, each with a difficulty score and a reading-time estimate.
- Which modernist and experimental novels should I read first?
- Start from difficulty, not from rank. The most approachable books on this list that still carry top literary regard are The Wind-Up Bird Chronicle by Haruki Murakami (about 14 hours), The Lord of the Rings (The Lord of the Rings, #1-3) by J.R.R. Tolkien and The Decameron by Giovanni Boccaccio.
- What are the shortest of the best modernist and experimental novels?
- Among the top 25, the shortest are Hills Like White Elephants by Ernest Hemingway (about 7 min), In the Penal Colony by Franz Kafka (about 42 min) and The Beast In The Jungle by Henry James (about 1.3 hours), at an average pace of 250 words a minute adjusted for each book's difficulty.
- Which of the best modernist and experimental novels are the established classics?
- By canonical status, how firmly a book sits in curricula, anthologies and the canon: Moby-Dick by Herman Melville, Heart of Darkness by Joseph Conrad, Waiting for Godot by Samuel Beckett, The Stranger by Albert Camus and Thus Spake Zarathustra A book for all and none by Friedrich Nietzsche.
- Can I read any of these modernist and experimental novels for free?
- 9 of the 100 open in ReadingRate's reader with a free account, from public-domain editions: Moby-Dick, Dubliners, Heart of Darkness, The Decameron, Women in Love and 4 more.
- How long would it take to read the top ten?
- About 152 hours, at an average pace of 250 words a minute adjusted for each book's difficulty: 76 days at two hours a day. Set your own pace on the page and the list's reading times change to it.
- How hard are modernist and experimental novels to read?
- Most of this list sits between 59 and 71 on ReadingRate's 100-point difficulty scale, where 40 to 55 is moderate. The summit is Gravity's Rainbow at 84. Every entry carries its own score, so a reader can pick a great book at a difficulty they will finish.
- How is this list ranked?
- On literary-regard data: how canonically established a work is, its critical standing, and its influence on later writing. It is not a readers’ poll, which is why recent bestsellers rarely appear. Membership follows authors and co-authors, not translators or editors. Lists by country, author, period, theme or difficulty keep to literature (fiction, poetry, drama and philosophy), their novels, poems and plays first and their philosophy after them; a list of a kind of book, such as memoir or criticism, keeps every book of that kind. Every list holds at most three works by one author. A book is here when ReadingRate files it under Modernist & Experimental Fiction as one of its primary reading domains.



























