How things work.
Contributors: Time-Life Books.
Series: A Child's first library of learning
Publisher: Time-Life Books
Published: 1989
Place of publication: Alexandria, Va
Language: eng
Number of pages: 87
Subjects: Technology -- Juvenile literature.; Technology -- Miscellanea.; Questions and answers.
Description: Questions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devices work. Includes charts, diagrams, and an activities section.
Notes: Ill. on lining papers.