On Masturbation Author:Mark Twain America's Master Humorist on Masturbation... One evening in Paris in 1879, Mark Twain rose to the podium and tackled the touchiest of subjects. His hilarious remarks rubbed Victorian society the wrong way and were censored for many decades. At long last, here is Mark Twain's complete treatise on "The Science of Onanism," along with many upliftin... more »g illustrations.« less