Everyone knows rainbows look magical, but how do they work?

You'll find out when you join the Rainbow Patrol. Rainbow expert Roy G. Biv will guide you back in time to learn the importance of rainbows in ancient cultures. You'll go inside a raindrop to discover how light bends to create the rainbow's dazzling colors. Finally, you'll return home and learn how to make your own rainbow!

You'll become a real rainbow expert as noted astronomer E.C. Krupp and artist Robin Rector Krupp combine fascinating facts with dazzling illustrations to reveal the secrets of the rainbow. The creators of The Big Dipper and You bring their celestial know-how a little closer to earth in this entertaining introduction to our most colorful natural wonder.