Small inventions that make a big difference
By: photographs by Joseph H. Bailey ; art by John Huehnergarth.
Contributors: Bailey, Joseph H.  ill.; Huehnergarth, John,; National Geographic Society (U.S.)
Series: Books for world explorers
Publisher: National Geographic Society
Place of publication: Washington, D.C
Number of pages: 104
Subjects: Inventions; Inventors
Description: Describes how inventors think and work, explains how one invention--plastic--has changed the world, and briefly discusses seventy-five other important inventions, from the jet engine to the potato chip.
Notes: Accompanied by "The patent game" (1 sheet [2] p. : col. ill. ; 75 x 49 cm. folded to 25 x 19 cm.).