Mistakes That Worked: 40 Familiar Inventions & How They Came to BePaperback, 1 May 1994

Piggy banks, silly putty, potato chips and frisbees are all things that were invented by mistake.

"Jones gathers together in a splendid book that is as informative as it is entertaining. Jones has great fun with facts, dredging up plenty in a lively, anecdotal account that recollects the oddball origins of a variety of foods, clothing, toys, and devices....A gem of a book."-- "Booklist," starred review.

Includes a bibliography. An IRA-CBC Children's Choice.