Fifteen teens are trapped in a zoo where the animals have mysteriously gotten loose. Smarter and stronger than they should be, they're working together to kill humans. It's going to be carnage. 'One of the UK's most promising writers' Edinburgh Evening News 'One of the UK's best new talents' Lovereading.co.uk 'Jan Henderson writes the kind of thrillers that make you miss your stop on the bus' The Times Educational...