There are about three trillion trees on planet Earth, and our world wouldn't be the same without them. Readers will learn all about trees and how important they are in this fantastic volume. Beautiful full-color photographs show readers all different types of trees, and simple descriptions help readers identify them with ease. They'll learn about key science concepts, such as habitats and life cycles. The vibrant, playful design makes learning fun. Even reluctant readers will be intrigued by this informative book.