This fascinating collection of historical curiosities explores some of the strangest cases that have perplexed doctors across the world. From seventeenth-century Holland to Tsarist Russia, from rural Canada to a whaler in the Pacific, many are monuments to human stupidity - such as the sailor who swallowed dozens of penknives to amuse his shipmates, or the chemistry student who in 1850 arrived at a hospital in New York with his penis trapped inside a bottle, having unwisely decided to relieve himself into a vessel containing highly reactive potassium.