Three teenagers have cheated death; now they must stop time travel from destroying the world. That is the premise for this breathtaking new adventure thriller which combines the appeal of Primeval and Terminator for teen readers, and is the first in a series which will be backed by a diverse and high profile marketing campaign. Alex Scarrow is the author of a number of adult thrillers and here moves into the young adult market for the first time. Unnecessary author trivia for you; he is also the brother of Simon.