Describes the different types of wildlife in the world and explains how and why each region has its own unique mix of creatures; focuses on habitats, evolution, migratory patterns, and danger of extinction.
Presents the history and development of the space shuttle and other reusable launch vehicles since President Nixon approved the program in 1972 and provides information on the Columbia, the Challenger disaster in 1986, and the future of space travel.
An overview of the universe that provides information on the planets of the solar system, Earth's moon, asteroids, meteors, the Milky Way, star birth and death, and other topics, and includes colorful illustrations, diagrams, and satellite images.
Explores the ocean depths, sweeping tides and currents, northern inlets, coral reefs, and other aspects of the waters of the world. Includes fact boxes and suggested experiments.