Excellent ... I won't give anything else away as the discoveries are part of the joy, but I was engrossed in this high-concept thriller and can't wait to see what Turton does next

Observer

Turton's puzzle box draws on every sci-fi classic from Blade Runner to 2001: A Space Odyssey.
As a mystery, it is more intriguing than involving. As prognostication, it seems only too likely to be the shape of things to come.

Sunday Times

The fiction of Stuart Turton gloriously bends both the reader's mind and the crime genre

Financial Times

This story will grip your attention until the very last page and is sure to be another bestseller

Glamour

A clever dystopian thriller . . . another twisty masterpiece from the Sunday Times bestselling author

Woman's Weekly

A mind-bending, genre-blending, boy-that-ending mystery unlike any I've ever read … I feel, as I read a Turton book, like I'm watching a rocket erupt from the launchpad -- I've got a grin on my face and my heart in my throat

A. J. Finn