Gosman, Gillian

Discover the life cycle, behaviors, and diets of the endangered monkey named for its distinctive calls.

Explores different aspects of weather including what causes different types of precipitation, how landforms affect weather, and why there is more daylight in the summer.

An exploration of wedges that defines what they are; discusses their parts, how they work, their history, and how they are used; and includes a related experiment.

An illustrated introduction to the life of Abraham Lincoln that covers his childhood, work as a lawyer, leadership, presidency, death, and more.

A biography of Canadian pop singer and songwriter Justin Bieber, discussing his childhood, career in the music business, unique style, and personal achievements.

Poses and answers twenty questions about the nature of rocks. Discusses their study, formation, types, and weathering. Also examines how to prevent erosion caused by human activity. Includes photographs, an index, a glossary, and a list of Internet links.

Poses and answers twenty questions about the nature of Earth's atmosphere. Discusses the layers of the atmosphere, weather, solar radiation, air pressure, and pollution. Also examines how to protect Earth's atmosphere. Includes photographs, an index, a glossary, and a list of Internet links.

The 20 questions in this volume give kids a thorough tour through the water cycle. The questions and their answers also explain related topics such as the difference between freshwater and saltwater, and the causes and effects of water pollution.

Benjamin Franklin was a true Renaissance man in early American history an accomplished writer, inventor, and a statesman. This enthralling biography traces Franklin's life in the early United States, as well as his extensive contributions both to science and American history.

Discover the unique qualities of the genus squirrel-sized Central and South American monkey.