Higgins Bond

Examines the environmental needs of birds around the world and the effect that human behavior has had on their ability to survive, with examples of the efforts being made by scientists and conservationists to save specific species of birds.

A young groundhog builds a burrow of his own for the first time in a backyard that has plenty of food and other conveniences.

Questions and answers provide information about volcanoes and earthquakes, covering such aspects as why, how, when, and where these phenomena occur.

A thorough introduction to history, major figures, and events that shaped Rome.

Provides answers to such questions about various species of whales and dolphins as "Do all whales have teeth?", "How long do most whales live?", "Why do dolphins whistle?", and "Can dolphins save humans?"