ISBN: 0974934429

Description: 122 pages : illustrations ; 26 cm

Target Audience Note: "Ages 9 and up"--P. [4] of cover.

Notes:

• "Learn some hands-on history!"
• Includes bibliographical references and index.

LCCN: 2006277868

Control Number: 137399

Subjects:

• Engineering -- Juvenile literature.
• Handicraft -- Juvenile literature.
• Inventions -- Juvenile literature.
• Inventors -- Italy -- Biography -- Juvenile literature.
• Leonardo, da Vinci, 1452-1519 -- Juvenile literature.
• Leonardo, da Vinci, 1452-1519 -- Knowledge and learning -- Engineering -- Juvenile literature.
• Models and modelmaking -- Juvenile literature.

Genre: Biographies.