*Hannah, Sophie: -Sophie Hannahis 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 seq...

*Hannah, Sophie: -Sophie Hannahis 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, The Killings at Kingfisher Hill, and Hercule Poirot's Silent Night. 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.