Bailey, Joseph H. ill. Huehnergarth, John ill. National Geographic Society (U.S.) text Washington, D.C National Geographic Society c1984 monographic eng 104 p. : ill. (some col.) ; 28 cm. 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. photographs by Joseph H. Bailey ; art by John Huehnergarth. Accompanied by "The patent game" (1 sheet [2] p. : col. ill. ; 75 x 49 cm. folded to 25 x 19 cm.). Includes index. Bibliography: p. 101. Inventions Juvenile literature Inventors Juvenile literature Inventions Inventors Plastics T212 .S63 1984 608 0870444980 : 0870445030 (lib. bdg.) : 83023770 DLC 070308 20190501200518.0 3769658