THE BIGGEST MYSTERIES ARE MURDER TO SOLVE . . . 'TODAY'S GREATEST EXPONENT OF PLAYFUL DETECTIVE FICTION' GUARDIAN'One of the year's most entertaining crime novels' SUNDAY TIMES'When did you last read a genuinely original thriller? The wait is over' A. J. FINN'An elegantly structured, intellectually challenging and completely unique thriller that grips like a vice' SOPHIE HANNAHAll murder mysteries follow a simple set of rules. In the 1930s, Grant McAllister, a mathematics professor turned author, worked them out, hiding their secrets in a book of crime stories. Then Grant disappeared. Julia Hart has finally tracked him down. She wants to know what happened to him. But she's about to discover that a good mystery can be murder to solve . . .'One of the most creative detective novels of the year . . . If not of all time' Samantha Downing'Intelligent and inventive . . . It's the most fun I've had in ages' Cathy Rentzenbrink 'So, so clever . . . Agatha Christie would take her hat off to this one bravo!' Sarah PinboroughWinner of the Capital Crimes Reader Award for Debut Book of the YearSHORTLISTED FOR THE GLASS BELL AWARD AND THE BARRY AWARD FOR BEST FIRST NOVEL Alex Pavesi Eight Detectives Paperback Book