What color is a polar bear under its fur? How do flamingos turn pink? What is a blue moon? Find the answers to all these fun questions and much more in this fact-filled adventure into the colorful world around us! The science of colors is hard at work all the time—from ultraviolet light to the baby blue tint of the sky. Readers will learn tons of interesting scientific facts about color and its whys and hows—like why blood is red, how hippos keep cool, and how some animals can change color to hide from predators. Bursting with incredible illustrations and some seriously cool science, this book is sure to dazzle both nature lovers and reluctant readers alike.