Ehlert blends bold graphics, vibrant colors, and precise details in her watercolor collage alongside found objects like seeds, fabric, wire, and roots.

A special glossary explains how roots absorb nutrients, what photosynthesis is, how sap circulates, how to make a bird treat, and other facts about trees. Children and adults will feel inspired to take a closer look at the nature in their own backyards.

Celebrate Earth Day, spring, and the basics of trees while improving color recognition with Lois Ehlert's Red Leaf, Yellow Leaf!