Download or read book Oxford Reading Tree TreeTops Time Chronicles: Level 13: Stranger At The Gates written by Roderick Hunt and published by OUP Oxford. This book was released on 2014-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.