"Presents information on simple machines with a focus on screws. Explains what a screw is, how screws work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.
"Provides an in-depth look at the inspiration, achievements, and successes that have defined one of the world's best-known people, Barack Obama. Intended for fourth to sixth grade students"--.
Photographs, charts, and text introduce young readers to the basics of mountain biking; and offers advice on proper equipment and clothing, safety measures, and various mountain biking levels.
Profiles the life and career of basketball player Steve Nash, discussing his childhood, influences, achievements, success in the NBA, and other related topics, and including a time line, tips for writing a biography, and Web sites.
Simple text and photographs provide information about common sense, discussing what it is, how a brain turns thoughts into actions, making choices, and instincts.