Biff and Chip are caught up in a battle between Vikings and Saxons in Stranger at the Gates. King Alfred the Great wants peace, but there's a Viran who will do anything to stop him... Biff, Chip, Kipper and friends are older now and their true destiny is about to be revealed... The Time Chronicles are exciting chapter books following your favourite characters on a series of adventures through time. These captivating stories feature familiar characters in fast-paced adventures to engage children. The missions feature real historical events and characters, fascinating facts and thrilling plots. Children will love reading these language-rich adventures. Each book contains inside cover notes to support children in their reading.