"Level: Band 07/Turquoise. The book reveals how castles were built, not only for people to live in, but also to keep enemies out. Detailed illustrations show the materials that were used and special precautions that were taken to ensure castles would provide adequate defence. Photographs show several examples of castles and castle remains that can still be visited today. Band 7 books offer literay language and extended descriptions, with longer sentences and a wide range of unfamiliar terms.