THE BIGGEST MYSTERY CAN BE MURDER TO SOLVE . . . DISCOVER THE YEARS MOST ORIGINAL CRIME NOVEL One of the years most entertaining crime novels SUNDAY TIMES, CRIME BOOK OF THE MONTH 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 HANNAH _______ All 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 shes 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 . . . Its the most fun Ive had in ages Cathy Rentzenbrink So, so clever . . . Agatha Christie would take her hat off to this one - bravo! Sarah Pinborough **Winner of the Capital Crimes Reader Award for Debut Book of the Year** SHORTLISTED FOR THE GLASS BELL AWARD AND THE BARRY AWARD FOR BEST FIRST NOVEL