Describes the destruction of Pompeii by the eruption of Mount Vesuvius in 79 A.D. and how its rediscovery nearly 1700 years later provided information about life in the Roman Empire.

Describes the different kinds of penguins, their habitat, behavior, and status as an endangered species.

Discusses the habits and life cycle of prairie dogs and examines their place in the ecology of their grassland environment.

Describes how bald eagles have recovered from the threat of extinction, how they raise their families, and why they are the national bird of the United States.

Describes efforts to save endangered animals from extinction by breeding them in captivity, teaching them survival skills, and then releasing them into the wild.

"A dog's nose is 300 times more powerful than a human nose, so it's no wonder that dogs use their incredibly advanced sense of smell to do some very important jobs. Dorothy Hinshaw Patent explores the various ways specific dogs have put their super sniffing ability to use: from bedbug sniffers to explosive detectors to life-saving allergy detectors...and more. This dynamic photo-essay includes first-hand accounts from the people who work closely with...

Describes the archaeological find of thousands of life-sized terra cotta warrior statues discovered in China, and discusses the emperor who had them created and placed in his tomb.

Provides an overview of coral reefs as ecosystems, describing different types of corals and how they reproduce and discussing the variety of fishes and other animals that depend on coral reefs to sustain them.

Tells of the transformative period in the early 16th century when the Spaniards introduced horses to the Great Plains, and how horses became, and remain, a key part of the Plains Indians' culture.