SHE PLANNED HER OWN FUNERAL. BUT DID SHE ARRANGE HER OWN MURDER? New York Times bestselling author of Magpie Murders and Moriarty, Anthony Horowitz has yet again brilliantly reinvented the classic crime novel, this time writing a fictional version of himself as the Watson to a modern-day Holmes. One bright spring morning in London, Diana Cowper - the wealthy mother of a famous actor - enters a funeral...