The thrilling stand-alone novel set in the same world as the million-copy bestseller THE GIRL WITH ALL THE GIFTS.

Once upon a time, in a land blighted by terror, there was a very clever boy.

The people thought the boy could save them, so they opened their gates and sent him out into the world.

To where the monsters lived.

'Carey writes with compassion and fire - strange and surprising and humane' Lauren Beukes, author of The Shining Girls

'I loved it just as much as The Girl With All the Gifts, if not more' Martina Cole

'A tense story with superbly rendered characters' SciFiNow

'A terrifying, emotional page-turner that explores what it means to be human' Kirkus