Many interesting and important animals have lived on Earth. In the Early Animal Encyclopedias series, readers will learn about dinosaurs that once roamed the land and explore how different…

The world of science is full of wonder. Glittering minerals hide within underground rocks. An amazing variety of life thrives in the oceans, on land, and in the sky. And in outer space,…

Sports are a great way for kids to get active and make new friends. In the Early Sports Encyclopedias, readers will learn how to play baseball and softball, basketball, dance, football,…

Hit the road and start seeing all the unique cars, trucks, planes, trains, tractors, and motorcycles out there! In the Early Transportation Encyclopedias, young readers will find information…