34 books • 28 series
Who Built the Pyramids (Starting Point History) (Usborne Starting Point History (Hardcover))
Encyclopedia of Ancient Greece (Usborne Encyclopedia) (Usborne Encyclopedias) (Usborne Internet-Linked Encyclopedia)
Who Were the Vikings? (Usborne Starting Point History S.) (Usborne Starting Point History (Paperback)) (Starting Point History)
World History Dates (Usborne world history dates) (Illustrated World History) (Illustrated World History) (Usborne Illustrated World History)