Oxford Reading Tree TreeTops Time Chronicles: Level 13: Stranger At The Gates (Oxford Reading Tree TreeTops Time Chronicles)

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... TreeTops Time Chronicles are a series of fast-paced adventures through time featuring real historical events and characters.