"Clever, touching and with an amazing twist at the end. Hard recommend." --Rob Biddulph "Christopher Edge, who creates brilliant, plotty novels with agglomerations of science and maths, has surpassed himself with his latest storyGamers will love this mad, intense thriller... reminiscent of Lord of the Flies, Squid Game and the Indiana Jones filmsPerfect for puzzle-hungry beginner horror fans who require lashings of jeopardy " The Times This is an intense, rollercoaster of a read, with an almighty twist towards the end that caught me completely off guard. Perfect for readers who like fast-paced, spine-tingling reads. The Irish Independent "Amazingly inventive, punchy and profound. Unputdownable" - Darren Simpson, author of The Memory Thieves "Enjoyably strange. Reads like a Doctor Who adventure" - A.F.