SOPHIE HANNAH is the New York Times bestselling author of numerous psychological thrillers, which have been published in 51 countries and adapted for television, as well as The Monogram Murders, the first Hercule Poirot novel authorized by the estate of Agatha Christie, and its sequels Closed Casket, The Mystery of Three Quarters, and The Killings at Kingfisher Hill. Sophie is also the author of a self-help book, How to Hold a Grudge, and hosts the podcast of the same name. She lives in Cambridge, UK.
The New York Times bestselling author of The Monogram Murders and Woman with a Secret returns with a disturbing tale of psychological suspense and obsession that hits at the heart of some of our most precious relationships.
What if having a best friend...[SEE MORE]