The library of Harvard University found a very old book bound in human skin. Experts examined the work of the French writer Arsen Hussaye XIX century called the soul of Doom and confirmed that she really constricted human skin.
At least they think in it at 99.9%. Author himself called his book Reflections on the soul and life after death. As reported by CNN, in the mid-1880s, he gave this work to his friend Louis Buland physician. That, in turn, wrapped leather book unidentified patient suffering from mental disorder and died of a stroke.