Guilty by Definition

Susie Dent

$24.99

Paperback

Forthcoming
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English

BONNIER
12 August 2025

Lexicography; Fiction & Literature; Crime & Mystery

THE INSTANT SUNDAY TIMES BESTSELLER!

'ONE OF THE FINEST MYSTERIES I HAVE EVER READ'

Rob Rinder, Sunday Times bestselling author of The Trial

'A TANTALISING MYSTERY FOR WORD SLEUTHS AND CRIME FANS ALIKE' Janice Hallett, Sunday Times bestselling author of The Appeal

A coded letter. A missing woman. A truth waiting to be found.

When an anonymous letter is delivered to the Clarendon English Dictionary office, it becomes rapidly clear that this is not the usual word-related enquiry. Instead, the letter hints at sinister events linked to a particular year.

For editor Martha Thornhill, the date can mean only one thing: the summer her brilliant older sister Charlie went missing. Ten years on, Martha and her family are no closer to unravelling the mystery of Charlie's disappearance - until now.

As more letters arrive, Martha and her team follow the linguistic clues to a troubling truth. It seems Charlie was keeping a powerful secret, and that someone is desperate to keep it well and truly buried.

Guilty by Definition is a love letter not only to language but to the city of Oxford, wrapped within an intriguing mystery of a missing woman and considering the emotional aftershocks of her disappearance on those left behind.

Guilty by Definition was a Sunday Times bestseller August 2024

By: Susie Dent
Imprint: BONNIER
Country of Publication: United Kingdom
Dimensions: Height: 197mm, Width: 129mm, Spine: 28mm
Weight: 272g
ISBN: 9781804183977
ISBN 10: 1804183970
Pages: 400
Publication Date: 12 August 2025
Audience: General/trade , ELT Advanced
Format: Paperback
Publisher's Status: Forthcoming

Susie Dent is a writer and broadcaster on language. She recently celebrated thirty years as a co-presenter and the resident word expert on Channel 4's Countdown, and also appears on the show's comedy sister 8 out of 10 Cats Does Countdown. Susie comments regularly on TV and radio on words in the news, and is the author of several non-fiction books on words and language. Guilty by Definition is her first novel.