A poignant novel about an artificial intelligence, MARY3, and the many lives which have shaped her. When machines learn to speak, who decides what it means to be human For fans of David Mitchell and Margaret Atwood comes this poignant novel from Waterstones Book Club author Louisa Hall, with a tale will make readers everywhere question what it really means to be human. Emily St. John Mandel, author of Station Eleven, calls Speak the 'rarest of finds'.