Rebecca Stefoff

We say that the sun "rises" in the morning and "sets" at night, but is it really moving? Learn about the long, sometimes dangerous struggle to discover whether the sun revolves around Earth, or Earth around the sun, and find out what scientists now know about our planet's place in the universe. -- From cover.

Examines the physical characteristics, life cycle, and natural habitat of different species of penguins.

Examines the physical characteristics and behavior of snakes and describes six different kinds.

Charles Darwin's famous theory of natural selection shook the world of science to its core, challenging centuries of orthodox beliefs about life itself. Darwin's boundary-shattering treatise was captured in On the Origin of Species, originally published in 1859, a groundbreaking and detailed study on ecological interrelatedness, the complexity of animal and plant life, and the realities of evolution. This Young Reader's Edition makes Darwin's cornerstone...

Examines the physical characteristics, life cycle, and natural habitat of various kinds of owls.

Text and photographs introduce some of the 3600 kinds of starfish.

Provides comprehensive information on the geography, history, wildlife, governmental structure, economy, cultural diversity, peoples, religion, and landmarks of Alaska.

"Provides comprehensive information on the geography, history, wildlife, governmental structure, economy, cultural diversity, peoples, religion, and landmarks of Nevada"--Provided by publisher.

Examines the physical characteristics, life cycle, and natural habitat of various types of ants.

"Provides comprehensive information on the geography, history, wildlife, governmental structure, economy, cultural diversity, peoples, religion, and landmarks of Utah"--Provided by publisher.