Brown, Robert

Text and photographs illustrate the lives of hummingbirds in their natural settings, describing how they feed, defend themselves, and breed.

Gives a social and historical view of humanity's effect on the landscape, both now and in the future.

Surveys prehistoric life from the earliest stirrings of simple organisms to complex life forms, including reptiles and early humans.

Introduces the elements that make up weather and climate, discusses methods of gathering data and forecasting the weather, and examines the climate's effects on animals and vegetation, and the effect of human activities on climate.

A comprehensive guide for young readers to the mysteries and marvels of the cosmos.