Did You Know? Animal Adaptations, Earth Science, U.S. History, Ferocious Fish, Wonders of the World

It's a big world out there, and there are lots of fascinating facts that most people don't even know. Whether it's the giant mysterious heads of Easter Island, the deep-sea anglerfish, or the Founding Fathers of the United States, this set is sure to thrill readers with surprising facts, dazzling photography, and primary sources. The topics in this set are diverse but the approach is the same: Let's have fun while learning incredible facts!