Penny, Malcolm

Describes the various kinds of pollution and what is being done to protect the natural environment.

Looks at the environment and organisms that exist under stones.

Illustrations and easy-to-follow text describe the microbes, animals, and plants that live in sand dunes.

Describes the ecosystems found in rotten logs, discussing what sorts of animals, insects, and fungi live there, and includes "See for Yourself" projects.

In question-and-answer format, this book discusses the physical characteristics and behavior of birds, from the African fish eagles to woodpeckers.

A comprehensive look at wild horses, including North American mustangs, Australian brumbies, and Icelandic ponies, exploring the history of horses, their behavior, reproduction, and threats from humans.

Provides detailed information on the physical characteristics, evolution, various species, behavior, habitat, life cycle, and interaction with humans of kangaroos, marsupials which may move as fast as forty-four miles per hour.

Describes the habits and behavior of polar bears during the different stages of their lives, as well as threats they face and efforts to protect them.