Simon, Seymour

Explains, in simple terms, the characteristics of volcanoes and describes some famous eruptions and their aftermath.

Discusses the stars, their composition, and characteristics, with actual photographs.

Describes the sixth planet from the sun, its rings, and its moons, and includes photographs taken in outer space.

Describes what is known about Mercury from the photographs taken by Project Mariner.

Describes the origins, characteristics, and future of the sun, planets, moons, asteroids, meteoroids, and comets.

Introduces, through text and photographs, the characteristics of the seventh planet in the solar system.

Presents information on storms, in simple text with illustrations, and describes the atmospheric conditions that help create thunderstorms, hailstorms, lightning, tornadoes, and hurricanes and includes an explanation of how violent weather affects the environment, the land, and the people.

Discusses the physical features and moons of the planet Neptune and how we have gained our knowledge of this giant world.