Now you see them, now you don’t! By showing the same creatures in two different settings, this book brings out the detective in young readers. They can investigate the role of protective coloration— nature’s own camouflage—for katydids, crickets, bumblebees, beavers, spiders, and spotted green frogs. The vivid examples encourage children to closely examine the characteristics of hidden creatures that may be looking back at them, whether from the pages of this book or in their own backyards. is part of the I Wonder Why book series, written to ignite the curiosity of children in grades K–3 while encouraging them to become avid readers. These books explore the marvels of animals, plants, and other phenomena related to biology. Included in each volume is a Parent/Teacher Handbook with coordinating activities. The I Wonder Why series is written by an award-winning science educator and published by NSTA Kids, a division of NSTA Press.