Readers enter the world of animal secrets by traveling with French scientists to one of the coldest places on the planet and find out how King penguin parents manage to preserve food in their bodies to feed their newborn baby chicks. They'll accompany American scientists as they observe chameleons very closely and reveal the secret of the chameleon's powerful tongue. Then, readers join another American scientist as she uncovers one of the secrets that make alligators one of the oldest hunters on Earth. They'll follow British scientists as they learn why cuckoo birds might be considered "masters of disguise." Finally, readers travel to China and find out how the peacock's feathers get their magnificent colors.