Sophie Hannah has written at least 86 books. Their most popular book is The Monogram Murders: The New Hercule Poirot Mystery (Hercule Poirot Mysteries) with 48 saves with an average rating of 3.19⭐. Their next book, The Opposite of Murder: the gripping new thriller from the million-copy international bestseller and Queen of the unguessable mystery, is scheduled for release on .