 | I Wonder Why Venetians Walk on Water and other questions about people and places | Paperback |
 | I Wonder Why Kangaroos Have Pouches and other questions about baby animals | Paperback |
 | I Wonder Why Snakes Shed Their Skin and other questions about reptiles | Paperback |
 | I Wonder Why Greeks Built Temples and other questions about Ancient Greece | Paperback |
 | I Wonder Why Trees Have Leaves and other questions about plants | Paperback |
 | I Wonder Why Chestnuts Wear Shoes and other questions about horses | Paperback |
 | I Wonder Why Stalactites Hang Down and other questions about caves | Paperback |
 | World War II Airborne Warfare Tactics | Hardback |
 | Grandes construcciones | Paperback |
 | I Wonder Why There's a Hole in the Sky and Other Questions About the Environment | Paperback |
 | Crusader Castles of the Teutonic Order (2): The Stone Castles of Latvia and Estonia 1185-1560 | Soft cover |
 | Robinson Crusoe | Paperback |
 | Roman Standards & Standard-Bearers (1) 112 BC–AD 192 | Soft cover |