Wendy Pfeffer

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.

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

Describes the metamorphosis from tadpole to frog.

Introduction to the life cycle of a tree.

Simple text and photographs describe two features of storms, thunder and lightning.

Examines the harsh living conditions that exist deep below the surface of the ocean and describes the animals, including the squid, hatchet fish, and tubeworm, that have adapted to those conditions and have made the deep parts of the ocean their home.