David Nicholls

David Nicholls is a British novelist and screenwriter whose One Day became a beloved literary romance, following two characters across twenty years of missed connections and ordinary life.

David Nicholls trained as an actor before turning to writing, and he has worked extensively as a screenwriter — including on successful television adaptations — alongside his novel writing. One Day, published in 2009, was the book that made his name. It follows Emma and Dexter, who spend the night together after their university graduation in 1988 and are visited on the same calendar date — July 15, St Swithin’s Day — every year for the next twenty. The conceit is clever and the execution is skillful: Nicholls captures the texture of British life across two decades with accuracy and wit, and the relationship between Emma and Dexter is rendered with genuine psychological complexity.

One Day works because both characters are imperfect in recognizable rather than schematic ways — Dexter is charming and self-destructive, Emma is principled and occasionally self-righteous — and because Nicholls earns the novel’s emotional payoffs through accumulated, specific detail rather than manufactured sentiment. The structure creates a particular kind of dramatic irony: readers see what the characters are unable to see about each other and themselves, and the gap between what could have been and what is becomes genuinely affecting.

The novel’s ending provoked divided responses — some readers found it devastating in the best way; others felt manipulated. This ambivalence is probably a sign that Nicholls hit the nerve he was aiming for. One Day was adapted for film in 2011 and for a Netflix television series in 2024, each with varying success. The novel itself remains the definitive version, and it is one of the better British literary romances of its decade.