2Discover the beautiful science of leaves Leaves are not as simple as they look. They use air, water, and sunlight to make food for the whole plant. See what's inside of leaves and how they work. Through full-color photos and simple, easy-to-follow text, this nonfiction book introduces emergent readers to the basic science of leaves. All Pebble Plus books align with national and state standards and are designed to help new readers read independently, making them the perfect choice for every child.