EXPLORER GUIDES SECRETS OF NATURE Author:Grisewood & Dempsey SECRETS OF NATURE — Animals and plants are amazingly adaptable. They have taken over almost every conceivable habitat: they thrive on land, in the air, below the ground, and beneath the sea. But their world is largely hidden from our eyes. How do plants make their food? How do bats navigate? How does a fly taste its food? Can squirrels fly?... more » The answers to these and many more questions can be found in SECRETS OF NATURE.« less