"Offers rare insights into principles of engineering and design."
—The Washington Post Book World
“Delightful . . . Mr. Petroski combines historical narrative with technical expertise to compelling affect.”
—New York Sun
"I’ll never look at a toothpick in the same way."
—Jeri Krentz, The Charlotte Observer
“Petroski writes . . . with the observant eye of an engineer and the imaginative heart of a novelist.”
—Los Angeles Times