Warm-blooded animals can control their own body temperatures, while cold-blooded animals are at the mercy of their environment. Young readers can learn how this

The critically adored, New York Times bestselling Deborah Underwood delights with a hilariously meta celebration of storytelling out of control. Every story nee

Liz, the class lizard, is missing! Is she in some sort of trouble? The class forms a rescue party. But to find Liz, they need to learn what it is like to be a r

A groundbreaking argument on how endothermy--arguably the most important innovation in vertebrate evolution--developed in birds and mammals "Vividly narrated an

Concepts of Biology is designed for the typical introductory biology course for nonmajors, covering standard scope and sequence requirements. The text includes