Describes the ways in which dogs are bred and trained for such careers as livestock guardian, herder, helper for the disabled, sled-puller, and entertainer.

Describes the kangaroo, platypus, and other animals native to Australia and discusses their origin and adaptation to their environment.

Describes how inventors think and work, explains how one invention--plastic--has changed the world, and briefly discusses seventy-five other important inventions, from the jet engine to the potato chip.

Traces the development of the first mammals, many of which grew to giant proportions in order to survive the cold temperatures and violent changes of the Ice Age.

Discusses the structures built by many different kinds of animals for protection, food gathering, storage, and nesting.

Focuses on previously endangered species that have made comebacks and avoided extinction through world efforts toward wildlife conservation.

An introduction to nautical archeology, focusing on social, cultural, and political history as exposed by shipwrecks from ancient times to the present.

Describes the wild ancestors of modern pets, how to choose a suitable pet, and how to care for eleven different kinds, including dogs, cats, rabbits, gerbils, fish, and horses.

Explains how a variety of products--such as kaleidoscopes, baseballs, marbles, matches, toothpaste, light bulbs, and bridges--are made, highlighting the ways in which manufacturing techniques have changed over the years. A wall poster and a 24-page booklet of games and puzzles are included.