Celebrates the fiftieth anniversary of the Apollo 11 mission with the story of the space race between the United States and the Soviet Union, including insights about what makes the Moon so fascinating to humankind.

Describes the heart, blood, and other parts of the body's circulatory system and explains how each component functions

Discusses the history, physical characteristics, behavior, and various breeds of cats, and provides basic information on caring for one as a pet.

Friendly and fascinating, dolphins are one of nature's most intelligent animals. Award-winning science writer Seymour Simon has teamed up with the Smithsonian Institution to give you an expert view of these clever, curious, and mischievous mammals in a full-color photographic introduction