Describes the origins and characteristics of the sun, planets, moons, asteroids, meteoroids, and comets, and features full-color photos and spacecraft images.
Provides information about the structure and function of the lungs and entire respiratory system, and discusses the importance of the lungs in providing the oxygen needed to sustain life.
A brief history of horses, their origin, how they have been used for work, sports, and warfare, different kinds of horses, their physical attributes, and breeding habits.
Describes the anatomy of the eye and ear, how those organs function and some ways in which they may malfunction, and how the brain is also involved in our seeing and hearing.
Introduces the facts about volcanoes, what they are, why and how they erupt, different types of volcanoes found around the world, and the effects of some famous eruptions of the twentieth century.