00612nam a2200181 a 4500 20230110152030.0 160102s2004 dcua grb 001 0 eng d 0792282965 T15 .H3448 2004 Harrison, Ian, 1965- The book of inventions : How'd they come up with that/ Ian Harrison. Washington, DC : National Geographic Society, 2004. 288 p. : ill. (some col.) ; 28 cm. Includes bibliographical references (p. 287) and index. Inventions History. Inventors Biography. lcc 80760 80760