Folsom, Michael. The Macmillan book of how things work / by Michael Folsom and Marcia Folsom ; illustrations by Brad Hamann. - New York : Macmillan, 1987. - 80 p. : ill. Explains how many things such as plumbing, telephones, automobiles, and x-ray machines work. ISBN: 0027353605 : $15.95 0689711395 (Aladdin Books : pbk.) LCCN: 86023761 Subjects--Topical Terms: Technology. Dewey Class. No.: 600