Step back in time to discover the incredible past on planet Earth. This captivating children's atlas gives a complete history of the life and times of our world

Whatever Happened to the World of Tomorrow?, the long-awaited follow-up to Mom's Cancer, is a unique graphic novel that tells the story of a young boy and his r

Did lead pipescause the fall of the Roman Empire? How many toilets were in theaverage Egyptian pyramid? How did a knight wearing fiftypounds of armor go to theb

An encyclopedia designed especially to meet the needs of elementary, junior high, and senior high school students.