Why didn't I think of that?
Subtitle: From alarm clocks to zippers
By: by Webb Garrison ; illustrated by Ray Abel.
Contributors: Abel, Ray.
Publisher: Prentice-Hall
Published: 1977
Place of publication: Englewood Cliffs, N.J
Language: eng
Number of pages: 120
Subjects: Inventions -- Juvenile literature.; Inventions.
Description: Presents the story behind the invention of over 60 commonly used items including alarm clocks, jello, tea bags, and zippers.
Notes: Includes index.