Daring, surprising and superbly plotted, this is a fresh, thrilling page-turner from a dynamic new duo in genre fiction. Your happiest memory is their deadliest weapon. THIS IS PROPHET. It knows when you were happiest. It gives life to your fondest memories and uses them to destroy you. But who has created it? And what do they want? A sci-fi thriller with a complex, multi-layered plot and compelling characters.