ISBN:

• 9780836873559
• 9780836873504
• 0836873556
• 0836873505

Description: 24 pages : illustrations (chiefly color) ; 19 cm.

Notes: Includes bibliographical references (page 23) and index.

LCCN: 2006008670

Control Number: 3141782

Series:

• How simple machines work series
• How simple machines work series.
• Mezzanotte, Jim. How simple machines work.

Subjects:

• Axles -- Juvenile literature.
• Simple machines -- Juvenile literature.
• Wheels -- Juvenile literature.

Genre: Biographies.