Wendy Pfeffer

Explains how sounds are made and the purposes they serve for both humans and other animals.-

Photographs and simple text show a pumpkin's life cycle, from its form as a seed being planted to the end of its growth period.

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

More than anything, Rem Goldin wants to fight the British in the American Revolution. His father and the other men of Sites Point, New Jersey, have all left town to join the fighting. But ten-year-old Rem is too young to go with the men. Disappointed, he climbs up Foxborough Hill to look out over the ocean. What is that murky shape he sees through the fog? Could it be a British warship? Can Rem find a way to save his town?

Explains how earthworms eat, move, and reproduce and how they help plants to grow.

Describes the year-long metamorphosis from tadpole to frog.

Introduction to the life cycle of a tree.

The life cycle and physical characteristics of the polar bear.

A young mallard duck grows to maturity under the care of his mother, avoiding predators and learning how to fly.