The Evolution of Useful Things : How Everyday Artifacts-From Forks and Pins to Paper Clips and Zippers-Came to Be as They Are. (Paperback) by Henry Petroski
Petroski tells fascinating stories about the arduous processes that resulted in paper clips, Post-its, Phillips-head screwdrivers, Scotch tape, and fast-food "clamshell" containers. "Petroski . . . an examines the simplest . . . tools in our lives with an appraising eye."--Washington Post Book World. 45 illus.