Product Description: FOR USE IN SCHOOLS AND LIBRARIES ONLY. Readers can follow the course of NASAs Mars Exploration Rover (MER) mission as twin rovers, Spirit and Opportunity, explore the Red Planet. Learn how scientists determined that there was once water on Mars and how the Earthbound NASA team resolved problems with the rovers from afar in order to prolong the mission...read more

Certain to delight young vehicle lovers, this fantastical number book perfectly balances imaginative play with instructions on counting. When one tractor in the grass runs out of gas, the backyard doesn't stay quiet for long. Soon pirates sail in to play, and the backyard races to life with airplanes, cranes, trucks, and trains. Readers can count along as the vehicles and machines soar, hoist, dig, and zoom in this fantastical number book. Young readers, boys partricularly, will love the trucks, trains, vehicles, and machines--and pirates--that spill across each page. The humorous and imaginative play portrayed in this book perfectly balances its emphasis on counting.

Pictures and text describe what causes sneezes and what goes on in the body during a sneeze.

Product Description: As children play hide-and-seek on a hot summer night, a mosquito,

Chronicles the history of Moon exploration, including the Apollo 11 moon landing in 1969.

Describes the culture and history of the Efe, a pygmy tribe living in the rain forests of equatorial Africa, and explains how their environment and way of life are threatened by the encroachment of the industrial world

Describes the culture and history of the Penan, a peaceful tribe living in the Borneo rain forest, and explains how their way of life is being threatened by loggers and how they are protesting this threat

Describes the history, language, and culture of the Eeyou, or Cree Indians, of Eastern James Bay in northern Quebec and discusses how their way of life is threatened by hydroelectric projects

Describes the culture and plight of the Waorani, an indigenous tribe of the Ecuadoran rain forest whose environment and way of life are threatened by the encroachment of the industrial world

Uses Fiji's Great Astrolabe Reef to show how coral reefs are formed, the diverse plants and animals found there, and threats to their existence (view table of contents)

Describes the numerous plants and animals that live in the Brazilian rain forest and their ecological and economic importance

Describes the life cycles of Douglas Firs in the Pacific Northwest as they relate to ecological issues such as species diversity and air and water filtration

Examines the plant and animal life of the prairie grasslands of North America and how they are interdependent

Examines the plants and animals of Hawaii, discussing such elements as species diversity, endangered species, and conservation efforts

Explores the plant and animal life found in the Arctic National Wildlife Refuge on the Alaskan tundra