Fancy having your leg chopped off without anaesthetic, a party with no music, or cleaning your teeth with a stick? Probably not. Perhaps it's time you marveled at the brilliance of invention. How ever did we end up with: Morse code? Toilet paper? X-rays? Make something, invent something or just marvel at the sheer luck, twist of evil or pure genius which lies behind the most innocent-looking objects. Weekends will never be the same ... WARNING: This book may induce a spontaneous brainwave. Do not read near naked flame