Knowledge Encyclopedia Space!: The Universe as You've Never Seen it Before

Who Was Marco Polo?

Timelines of Everything: From woolly mammoths to world wars

Mini Astronaut's Handbook

Amundsen, the polar explorer

Space: a children's encyclopedia

Who Was Thomas Alva Edison?

A Street Through Time: A 12,000 Year Journey Along the Same Street

Who Is Bill Gates?

Children's Book of Philosophy

Unlocking the Universe

Knowledge Encyclopedia Science!

Barbie Developer: Ruth Handler

Incredible History Wonders of the World: The Past Brought Back to Life

Who Was Alexander Graham Bell?

Who Were the Wright Brothers?

Who Was Neil Armstrong?