'Girl A,' she said. 'The girl who escaped.

If anyone was going to make it, it was going to be you.' I am Lex Gracie: but they call me Girl A. I grew up with my family on the moors. I escaped when I was fifteen years old.

'Sensational. Gripping, haunting, and beautifully written' RICHARD OSMAN.

'Haunting, powerful, with a pitch-perfect ending' THE NEW YORK TIMES.

'The biggest mystery thriller since Gone Girl' ELLE.

'The novel you'll stay up reading until 3am' SUNDAY TIMES.

'An astonishing achievement.' JESSIE BURTON.

'Gripping, beautifully written perfection.' SOPHIE HANNAH.

'A masterpiece.' LOUISE O'NEILL.

'Fantastic.' PAULA HAWKINS.