American Indian sign language was used mainly by the tribes of the Great Plains. The sign language was based on simple gestures that the Blackfoot, Cheyenne, Kiowa, Sioux and other Plains tribes understand. By speaking with their hands, people without a common tribal language could communicate with each other easily.

Describes the geology, evolution, and beauty of the Grand Canyon by leading the reader down the Bright Angel Trail.

Introduces the basic poetic concepts of rhythm, meter, imagery, and rhyme and demonstrates how to write different kinds of poems from haiku to limerick.

Discusses the theories of ancient Greek philosopher-scientists such as Ptolemy, Pythagoras, Hippocrates, and Aristotle, and describes scientific discoveries and their applications in ancient Greece.

Presents a brief description of rock climbing, a sport that requires little equipment, appeals to all ages, and is considered to be mental as well as physical.

Follows the life of the strong-willed queen who brought new stability and vitality to England in the sixteenth century.

A biography of Christopher Columbus, focusing on his voyage to America aboard the three famous ships.

Despite Ruby's careful instructions, Max has his own ideas about how to wear his hated new suit.

Describes the formation and appearance of rocks, changes they can undergo, and how to start a collection.