The 85 best moderately difficult thrillers

No. 11 on this list. A Perfect Spy · John le Carré · 1986

Widely regarded by critics as le Carré's best novel and one of the finest English novels of the 1980s, but spy fiction carries lower academic penetration than literary fiction regardless of quality. It appears in specialist courses on the Cold War novel and contemporary British fiction, and is regularly cited on 'best of the century' lists (Time, Modern Library), but is not yet a university syllabus fixture at the level of mainstream literary canon.

No. 12 on this list. A Flag for Sunrise · Robert Stone · 1981

A Flag for Sunrise appears on some university syllabi in courses on Cold War literature and political fiction but lacks the broad curriculum presence of canonical American novels. No syllabus data was found in the Open Syllabus database and Wikipedia coverage is absent. It is frequently cited in discussions of the best American political novels of the twentieth century but has not achieved high-school curriculum fixture status.

No. 13 on this list. The Reluctant Fundamentalist · Mohsin Hamid · 2007

Taught in schools: OCR GCSE and A-level English Literature (UK)

The Reluctant Fundamentalist appears on 977 university syllabi, placing it in the 74.7th percentile by the Open Syllabus Project — a strong showing for a 2007 novella, reflecting its consistent adoption in postcolonial literature, South Asian diaspora, and post-9/11 fiction courses. Its Wikipedia article exists in only 4 languages, suggesting limited reach outside Anglophone literary culture. It is taught regularly but not a curriculum fixture in the way of Beloved or Things Fall Apart.

No. 14 on this list. Native Speaker · Chang-rae Lee · 1995

Native Speaker appears regularly on Asian-American literature syllabi and postcolonial American fiction courses at universities nationwide. Won the PEN/Hemingway Award for debut fiction and the American Book Award in 1995, establishing it as a foundational text of the Korean-American literary tradition. Not as universally taught as Beloved or The Great Gatsby, but firmly embedded in American multicultural literature curricula.

No. 15 on this list. Eileen · Ottessa Moshfegh · 2016

In the stark, snow-covered landscape of 1960s Boston, Eileen Dunlop toils away in a boys' prison, her life a monotony of loneliness and desperation. But when a new coworker, the charming and mysterious Rebecca, arrives on the scene, Eileen's dull routine is upended. As their fascination with each other grows, Eileen becomes embroiled in a dark and sinister plot that threatens to consume her. Ottessa Moshfegh's writing is a slow-burning fire, building tension and unease with each passing page. Her prose is spare, yet evocative, capturing the bleakness and desperation of Eileen's world. As the story unfolds, themes of obsession, class, and the oppressive nature of societal expectations emerge, casting a dark and unflinching gaze on the human psyche. This book is for readers who appreciate a gripping, psychological mystery that eschews easy answers and instead plunges into the complexities of the human condition. Be prepared for a haunting, atmospheric narrative that will keep you on the edge of your seat. With its shortlisting for the 2016 Booker Prize, Eileen has already garnered critical acclaim for its unflinching and suspenseful storytelling. As a work of literary suspense, Eileen is a must-read for fans of the genre. Moshfegh's unique voice and perspective bring a fresh urgency to the mystery genre, making this a compelling choice for readers looking for a thought-provoking and deeply unsettling read.

No. 16 on this list. Felicia's Journey · William Trevor · 1994

Hilditch, a lonely, obese English catering manager, befriends Felicia, a pregnant Irish girl searching for her vanished boyfriend. His kindness masks something darker as their relationship develops toward horror. Trevor's unsettling psychological thriller explores loneliness, deception, and the monstrous potential hidden within apparent benevolence.

No. 17 on this list. A Gun for Sale · Graham Greene · 1936

No syllabus data is available, and the novel lacks the canonical foothold of Greene's serious works. A Gun for Sale is studied in courses on the British thriller and interwar fiction but is rarely placed alongside Brighton Rock or The Quiet American as essential Greene. Its classification as an 'entertainment' has historically limited its academic circulation.

No. 18 on this list. The Orphan Master's Son · Adam Johnson · 2013

The Orphan Master's Son won the 2013 Pulitzer Prize for Fiction, which guarantees it a place in American literary discussions for decades. Wikipedia articles exist in 6 languages, indicating moderate global reach. The novel has not yet achieved deep syllabus penetration -- it is too recent and too specifically focused on North Korea to appear in standard survey courses -- but it turns up in contemporary fiction and Asian-American literature courses. Its canonical trajectory is upward but still early.

No. 19 on this list. Birnam Wood · Eleanor Catton · 2023

Too recent for syllabi. The Luminaries—Catton's Booker winner—is more likely to be taught. Birnam Wood is her follow-up, not yet established independently in academic contexts.

No. 20 on this list. Gone Girl · Gillian Flynn · 2012

Already a cultural touchstone — 'Gone Girl' is shorthand for domestic thriller with an unreliable narrator.

No. 21 on this list. Damascus Gate · Robert Stone · 1998

Jerusalem: where earth meets heaven, home to seekers and heretics, hustlers and madmen, dreamers and the faithful of every persuasion. In this holiest and most fractious city, where religion and politics are inextricably bound, a plot unfolds to bomb the sacred Temple Mount. Christopher Lucas, an expatriate American journalist, skeptical and searching, stumbles upon the Temple Mount plot while on assignment to investigate religious fanatics. Unwittingly entangled in the bombing plan is another American, Sonia Barnes, a Sufi convert and nightclub singer, who is drawn with Lucas into the dangerous intrigues surrounding the Old City. They encounter Adam De Kuff, an unstable Jewish guru; Raziel Melker, a strung-out Kabbalist who foists De Kuff into the role of messiah; and Jan Zimmer, a soldier of fortune routinely at the center of the world's flashpoints.

No. 22 on this list. Room · Emma Donoghue · 2010

Too recent (2010) for canonical status, but widely taught in contemporary literature courses. Appears on high school and university syllabi for its narrative technique and treatment of trauma.

No. 23 on this list. Slow Horses · Mick Herron · 2010

The Slough House series has revitalized the spy novel, now taught alongside le Carré in genre courses. Slow Horses specifically is becoming the entry point for serious spy fiction.

No. 24 on this list. The Cabin at the End of the World · Paul Tremblay · 2018

One of the defining literary horror novels of the 2010s. Adapted by M. Night Shyamalan, though the film resolved the ambiguity Tremblay preserved.

No. 25 on this list. Sacred Games · Vikram Chandra · 2006

Taught in courses on the contemporary Indian novel and urban fiction; too recent for the settled canon.

No. 26 on this list. The Devil's Star · Jo Nesbø · 2011

Detective Harry Hole: an angry and off-the-rails detective who wants to play the game by his own rules. A young woman is murdered in her Oslo flat. One finger has been severed from her left hand, and behind her eyelid is secreted a tiny red diamond in the shape of a five-pointed star – a pentagram, the devil's star. Detective Harry Hole is assigned to the case with his long-time adversary Tom Waaler and initially wants no part in it. But Harry is already on notice to quit the force and is left with little alternative but to drag himself out of his alcoholic stupor and get to work.A wave of similar murders is on the horizon. An emerging pattern suggests that Oslo has a serial killer on its hands, and the five-pointed devil's star is key to solving the riddle.

No. 27 on this list. Paris Trout · Pete Dexter · 1988

In the sweltering heat of a small Georgia town, a complex web of relationships and tensions unfolds in Pete Dexter's novel, Paris Trout. The story centers around the eponymous character, a morally ambiguous and enigmatic figure, whose actions set off a chain of events that expose the dark underbelly of the community. As the narrative unfolds, Dexter masterfully weaves together themes of racial tension, small-town secrets, and the blurred lines between right and wrong. Through his distinctive writing style, Dexter creates a sense of unease and foreboding, drawing the reader into the oppressive atmosphere of the town. The prose is direct, yet evocative, revealing the intricate dynamics of the characters and their motivations. The novel's exploration of the human condition is both thought-provoking and unflinching, making for a compelling and intense read. Readers who appreciate literary fiction with complex characters and moral ambiguity may find Paris Trout to be a gripping and unsettling novel. The book's themes and tone may appeal to those who enjoy authors like Flannery O'Connor or Cormac McCarthy. With its dense, atmospheric writing, Paris Trout is a novel that rewards close attention and reflection. As the winner of the 1988 National Book Award for Fiction, Paris Trout has established itself as a significant work of American literature. Pete Dexter's powerful and unflinching narrative has cemented the novel's place in the literary canon, making it a must-read for those interested in exploring the complexities of human nature and the darker aspects of small-town life.

No. 28 on this list. Lies of Silence · Brian Moore · 1990

Ranked by literary regard among eligible works in the current catalogue. This position reflects the available catalogue evidence.

No. 29 on this list. Snap · Belinda Bauer · 2018

Longlisted for the 2018 Booker Prize; a successful contemporary crime novel whose longer-term canonical position is still developing.

No. 30 on this list. My Sister, the Serial Killer · Oyinkan Braithwaite · 2019

Korede is a nurse in Lagos. Her sister Ayoola is beautiful, charming, and has killed three boyfriends. Korede cleans up each mess with bleach and loyalty, until Ayoola sets her sights on the doctor Korede secretly loves. Braithwaite's debut is dark comedy with a sharp edge, its chapters short and punchy, Korede's frustration building toward impossible choices. The novel asks about sisterhood and sacrifice, about the stories women tell to survive men and each other. The ending refuses the satisfaction of justice; family is thicker than blood.