Reviews the history of ice hockey, how it is played, the rules of the game, and introduces readers to some of hockey's greatest players.

Examines the function of NASA and discusses its various space exploration programs and achievements.

Explores strange trees, including the baobab, strangler fig, mangrove, boojum, and bristlecone pine.

Explores how certain wetlands animals, such as the whooping crane and the brown pelican, have recovered after being threatened with extinction.

Presents information on the United States Electoral College, and describes what role it plays in a presidential race, discusses how electors are chosen, and explains the origin of the system, how it has changed, and includes an examination of the problems with the 2000 election.

Discusses the life and work of Jedediah Smith, an explorer of the American West and leader of mountain men.

Discusses the life and work of John Wesley Powell, an American geologist and anthropologist who explored the Colorado and Green Rivers.

A biography of the Shoshoni woman who served on the Lewis and Clark Expedition as a guide and interpreter.

Examines the devastating effects of floods, and describes the elements that cause floods as well as some of the major floods in history.