Travel back in time and discover the world of dinosaurs! Kids will learn all about the biggest, smallest, fastest, meanest dinosaurs and more! Groovy Tube Book:

"Loads of fabulous photos, fascinating facts, and trivia questions introduce kids to the ever-popular world of dogs."--Cover back.

Was King Arthur real? How were castles built? Kids learn the answers to these and other questions in this stunning introduction to the world of medieval knights

Learn all about the world of horses. Groovy Tube Book: Packed with collectible minatures in a resealable, snap-top tube, these best-selling kits explore favorit