‘For a very long time, the days went by, each just like the day before, then I began to think, and everything changed’ Deep underground, thirty-nine women live imprisoned in a cage. Watched over by guards, the women have no memory of how they got there, no notion of time, and only vague recollection of their lives before. As the burn of electric light merges day into night and numberless years pass, a young girl - the fortieth prisoner - sits alone and outcast in the corner. Soon she will show herself to be the key to the others' escape and survival in the strange world that awaits them above ground.

Brought to you by Penguin.An antimeme is an entity with self-censoring properties. Some are benign; but others, less so…These entities can feed on your most cherished memories, the things that make you you – and you’ll never even know anything changed.And they aren’t just feeding on us. They’re invading.But how do you contain something you can't record or remember? How do you fight against an enemy with effortless, perfect camouflage, when you can never even know that you're at war?WELCOME TO THE ANTIMEMETICS DIVISIONNO, THIS IS NOT YOUR FIRST DAY'Astonishing' M. R. Carey, author of Infinity Gate‘Utterly unique, constantly surprising, genuinely unsettling... may very well take its place among the best sci-fi novels of the century so far.' Blake Crouch, New York Times bestselling author of Dark Matter qntm 2025 (P) Penguin Audio 2025