Sandak, Cass R

Discusses what congressional committees do and why they are important in the United States.

Discusses the differences and similarities between baseball and softball and describes the rules, field, positions, and some of the great players of professional baseball.

An account of the life of Harry Truman and his family, focusing on his years as president and the beginning of the Cold War.

Examines the private life and political career of the only president to also serve as Supreme Court justice and describes the influence of his wife, Nellie.

An account of the life of George Bush and his family, with emphasis on his years as president.

Describes various kinds of dams, how they function, and how they are planned and built. Also discusses some of the problems and failures of dams and the uses of other kinds of water barriers.

Discusses the development of skyscrapers, how they are constructed, and new techniques for building them.

Examines the geography, history, economy, and culture of the North American continent.

A dictionary detailing the achievements of famous and lesser-known explorers, and listing the geographical areas explored by them.

Presents the history and customs of Valentine's Day.