Reservoir 13 by Jon McGregor

How hard is Reservoir 13 to read?

Reservoir 13 scores 67 out of 100 for difficulty on ReadingRate, making it quite demanding. The score is a weighted composite of nine measures: four of how hard the prose is to parse, five of how hard the meaning is to extract.

Vocabulary: 38 out of 100

McGregor writes in clear, contemporary English with only occasional rural specificity: cloughs, tupping, hurdles, ewes appear in farming contexts but are intelligible from context. There is no invented language, no archaic register, and no specialized jargon requiring external reference. The vocabulary sits well below The Great Gatsby (45) in ambition — McGregor's register is deliberately plain, the flatness itself a formal choice rather than an oversight.

Sentence structure: 45 out of 100

Sentences accumulate by addition rather than subordination — a paratactic style that lists observations across commas and conjunctions without hierarchical nesting. Occasional long sentences build through repetition and parallelism ('She had been looked for in the lambing sheds... she had been looked for in the caves...') rather than embedded clauses. This is more demanding than 1984 (35) in its rhythmic complexity but far easier than The Golden Bowl (88); readers follow without grammatical difficulty.

Abstraction: 35 out of 100

The novel operates almost entirely in concrete physical observation: animal behaviors, seasonal changes, the weight of a ewe, the smell of a pub. McGregor refuses to state themes — the meaning of the missing girl, of time passing, of community persisting — is implied through the accumulation of specific detail. This anchors the book well below Remains of the Day (50) on the abstraction scale; the concreteness is deliberate and total.

Information density: 55 out of 100

Tracking thirty or more named characters across thirteen years demands sustained reader attention: the Jacksons, the Coopers, the Hunters, the teenagers who grow into adults, Jones the caretaker, Miss Carter, Geoff Simmons. Each chapter updates multiple storylines without signposting transitions. The density resembles Austerlitz (50) in its layered, quiet accumulation — more than a single-focus narrative but nowhere near War and Peace (80) in the sheer mass of information deployed.

Narrative indirection: 82 out of 100

The novel's apparent subject — what happened to Rebecca Shaw — is never resolved. McGregor inverts the missing-girl genre: the investigation is not the story, the story is everything that continues without the investigation producing answers. Meaning must be inferred from absence. The reader assembles a portrait of grief and community not through direct statement but through the relentless continuation of ordinary life, placing this near Pedro Paramo (85) in the demands it makes on inference.

Symbolic density: 68 out of 100

Thirteen reservoirs, thirteen chapters, thirteen years — the structural symbolism is explicit in its numerology without being labored in the prose. The reservoirs function as mirrors and repositories: still, accumulating, holding what falls in. The seasonal animal descriptions (bats in the eaves, foxes in the wood, goldcrests at the churchyard yew) recur with ritualistic precision and accrue symbolic weight over successive chapters. The density sits above Heart of Darkness (65) in structural integration but below To the Lighthouse (82) in lyric elaboration.

Ironic distance: 72 out of 100

The narrating voice — a collective, depersonalized 'they' — applies the same syntactic weight to a child's disappearance and the annual well-dressing, to a search party finding nothing and the first swallows of April. The flatness is the irony: the refusal to register grief differently from the movement of flocks. This is more sustained than The Great Gatsby (70) and less parodic than Ulysses (88) — a consistent tonal distance that implicates the reader in its own normalizing gaze.

Resolution withholding: 90 out of 100

Rebecca Shaw is never found. The final sentence — 'All was calm, all was bright' — refuses consolation and doubles back ironically to the Christmas carol that has appeared throughout the novel. No mystery is solved, no grief resolved, no relationship given a declared ending. The book closes mid-continuation, the reservoirs 'a flat metallic grey.' This rivals 2666 (92) in its refusal of closure and exceeds Lolita (65) by refusing even the partial resolution of aftermath.

Structural complexity: 75 out of 100

Thirteen chapters mapped to thirteen years, each year organized by seasonal progression rather than plot logic. No protagonist, no chapter titles beyond numbers, no transitions between the thirty-plus characters whose storylines the narrative enters and exits without announcement. The narrative voice shifts focalization mid-paragraph from collective observation to intimate interiority and back. This exceeds The Great Gatsby (55) substantially and approaches Flights (88) in its resistance to conventional narrative hierarchy.

How Reservoir 13 is regarded

Reservoir 13 holds a literary regard score of 56 out of 100, weighing its place in the canon, its critical reception, its influence on other writers, and the standing of its author. Regard is measured separately from difficulty: a demanding book is not necessarily an admired one.

About the author

Jon McGregor