In rhyming text and illustrations explores some of the many things a leaf can be, from tree topper to rain stopper. Includes facts about leaves and a glossary.

Celebrates the shape of a spiral in nature, from rushing rivers to flower buds and even the shape of an ear.

Explains how bacteria and viruses affect the human body and how the body fights them.

Explores the diets of many kinds of animals and explains how food chains and food webs work in the earth's different environments.

Called "the perfect children's introduction to environmental issues" by Fred Krupp, president of the Environmental Defense Fund, Our House Is Round gently guides young readers through a smartly narrated conversation illuminating the concept of global connection and environmental cause and effect. This book teaches the "whys" behind earth conservation in a colorful, positive way that encourages maturity, responsibility, and problem-solving discussion....

Follows a bear from the time she emerges from her den in April after four months without food, through months of eating fish, ants, and huckleberries, to midwinter when the arrival of two cubs interrupts her long winter's rest. Includes facts about brown (grizzly) bears of the Yellowstone National Park/Glacier National Park region.

An illustrated introduction to a variety of beetle species with information on unique characteristics and how these insects have adapted to survive.

Learn about dormancy in nature.

"This enchanting and informative picture book explores the vital connections between the layers of an ecosystem, relating how every tree, flower, plant, and animal connect to one another in spiraling circles of life."--

"Key biological terms are defined in a way that all readers can understand in this book that explains the essential concepts of life processes and how living and nonliving things relate to each other. The basics of feeding, respiration, waste, and reproduction, among other important activities that sustain living things, are explained in clear, simple language, with colorful photographs to illustrate them. Non-living things are defined and described,...