This Is Not a Game by Kelly Mullen - ISBN: 9781804951606
Paperback
Grandmother and granddaughter sleuth a deadly game; only one wins.

This Is Not a Game

$23.03

  • Paperback

    384 pages

  • Release Date

    19 May 2026

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Summary

A deliciously smart locked-room mystery with a difference - featuring an irresistible grandmother and granddaughter sleuthing duo. Perfect for fans of Janice Hallett and Richard Osman.

One body. Two unlikely sleuths. The time for playing nicely is over…

Widower Mimi is rarely one to ask for help. She knows where to buy her favourite sourdough. And she knows the unmatched pleasure of an evening crossword with her cocktail of choice - a Gibson.

But when Mimi receives an …

Book Details

ISBN-13:9781804951606
ISBN-10:1804951609
Author:Kelly Mullen
Publisher:Cornerstone
Imprint:Penguin
Format:Paperback
Number of Pages:384
Release Date:19 May 2026
Weight:268g
Dimensions:197mm x 128mm x 23mm
What They're Saying

Critics Review

Slick and witty * Daily Mail *Mullen debuts with an impressive closed-circle whodunit * Publishers Weekly *A thriller novel with a difference * Cosmopolitan *Fabulous, over-the-top fun * The Guardian *Locked room murder mystery at its best * The i Paper *Thrilling and heartwarming… This Is Not a Game is a playful mix of classic whodunnit and modern wit stirred to perfection * Criminal Element *Despite the title, this is absolutely a game from the first word to the last * Kirkus *A fun, atmospheric debut with sharp humour and classic whodunnit charm * Dead Good Books *A quirky variation on Golden Age locked room mysteries with a modern zest of eccentricity and humour, US author Kelly Mullen’s debut is very much a crowd pleaser in the mould of the KNIVES OUT movie series * Crime Time *A grand finale reveal Poirot would be proud of * Woman & Home *

About The Author

Kelly Mullen

Kelly Mullen is an author, producer, and marketing executive. As an executive producer, her credits include the Academy Award-nominated movie Trumbo, starring Bryan Cranston and Helen Mirren, and the AppleTV+ documentary Dads, which she produced with Ron Howard. Kelly’s creative work for brands has won more than fifty awards, including Cannes Lions and Clios.

Her debut novel, This Is Not a Game, was called ‘fabulous, over-the-top fun’ by The Guardian and named one of Waterstones’ Best Crime & Thrillers of 2025. A Murder in Eight Cocktails is her second novel. She lives in London with her husband and their rescue cats.

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