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.
作者太能写了！写古代用石头，用一把刀，两把刀，刀柄变化，刀尖变化，写了四页，还没看到叉子！
