Wendy Pfeffer

This books explains how sounds are made, and the purposes they serve both for humans and other animals.

This book describes and illustrates the growth of a pumpkin from seed to flower to full grown fruit.

"During the winter, the arctic fox begins an incredible journey. She heads north through the tundra, toward the top of the world. No larger than a house cat, she faces treacherous obstacles, frightening predators, and bitter cold along the way. It seems impossible that she could persist against the elements on her almost 2,000-mile journey--but she does."--Amazon.com.

Describes how and why daylight grows shorter as winter approaches, the effect of shorter days on animals and people, and how the winter solstice has been celebrated throughout history. Includes activities.

A simple explanation of what the summer solstice is and how it has been celebrated through the centuries.

Describes how coral reefs form and discusses the plants and animals that live in them.

Describes how dolphins communicate with each other in squeaks, whistles, and pops.

Describes how and why daylight grows shorter as winter approaches, the effect of shorter days on animals and people, and how the winter solstice has been celebrated throughout history. Includes activities.

Simple text and photographs describe the life of a wolf pup from birth to nine months old.

Firefly emerges from the ground as an adult and explores the summer night sky, avoiding predators, being caught and released by a little girl, and finding a mate.