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Kelly Mullen

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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.

Books by Kelly Mullen

A Murder in Eight Cocktails

A deliciously smart murder mystery from the author of This is Not A Game. Perfect for fans of Janice Hallett and Richard Osman.

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This Is Not a Game

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.

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Article
Kelly Mullen shares how debut authors should approach feedback

The author of This Is Not a Game on what inspired her novel and how a background in production influences her writing.