'Amazing! One of the twistiest time-tales I've ever read' Diana Gabaldon 'Crichtonesque thrillers don't come much better than this intricate outing which combines a fantastic premise - a time-travel device known as Absolom is used to imprison dangerous criminals in the prehistoric past - with a closed-circle whodunit... Riddle keeps the twists coming, including a mind-bending jaw-dropper that sets up the book's second half. By creating sympathetic and complex characters, the author makes suspend…Show more