Read about the things in our incredible world--landmarks, habitats and wildlife from the seven continents, dry deserts, huge oceans, mighty mountains, and much more. Then see if you can… More →

Read about the different kinds of dinosaurs and other prehistoric creatures that lived long ago. Find out how they lived and died, how only their fossils remain, and much more. Then see if… More →

Read all about science--super sound and light, exciting energy and electricity, incredible living things, fascinating forces, amazing inventions, and much more. Then see if you can answer… More →

Read all about our incredible universe, mysterious planets, exploding stars, brave astronauts, powerful rockets, and much more. Then see if you can answer questions, such as: Why does Mars… More →

Read all about different sports from around the world--the top competitions, amazing moments in sports, and athletes who have wowed the world! Then see if you can answer questions, such as:… More →

Read all about the human body, its strong skeleton, flexible muscles, amazing organs, and its digestive, nervous, and reproductive systems. Then see if you can answer questions, such as:… More →

Why do gorilla troops move to a new area each day? Why do bonobos sleep in large groups? How do animals in a troop help raise young? Discover the answers in this amazing book and learn about… More →

As settlers came west, they discovered there were already people living on this "new" land. Discover how this mass invasion of settlers impacted the indigenous peoples of the West: their… More →

Find out what life was like for the people who settled the "Wild Frontier" in these travel magazine-style books. Each book features "news stories" that explore the development of the American More →

When the cattle trade moved west, herds took over vast expanses of land. Go west with the cowboys that rode the range and herded cattle along the trails from the southwest to the railheads.… More →