O'Donnell, Kerri

A brief introduction to Saturn, the second largest planet in the solar system, describing conditions on the planet, its moons, and the history of Saturn exploration. Includes a glossary.

Describes the geography, people, history, government, economy, and culture of Mexico.

Tells the story of the California gold rush, covering such topics as how prospectors got there by sea and by land and what life was like for miners, including immigrants, and presents related multiplication and division problems with three- and four-digit numbers.

Describes the life and theories of Galileo, relating how his discoveries conflicted with the accepted beliefs of his time.

Examines the apparent connection between birds and dinosaurs by comparing fossils, dinosaur bones, and modern birds.

Featuring high-frequency words, pictures that are tightly correlated to the text, and a charming story, this leveled fiction reader will help emerging readers built early literacy skills.

Featuring high-frequency words, pictures that are tightly correlated to the text, and a charming story, this leveled fiction reader will help emerging readers built early literacy skills.

An introduction to measuring with inches and feet that provides information on different types of snakes while explaining the units of measurement.

Photographs and simple text describe the pyramids of Egypt, their purpose, and how they were built.