“For him that stealeth, or borroweth and returneth not, this book from its owner, let it change into a serpent in his hand & rend him. Let him be struck with palsy & all his members blasted…Let bookworms gnaw his entrails in token of the Worm that dieth not, & when at last he goeth to his final punishment, let the flames of Hell consume him for ever.”
Given the extreme effort that went into creating books, scribes and book owners had a real incentive to protect their work. They used the only power they had: words. At the beginning or the end of books, scribes and book owners would write dramatic curses threatening thieves with pain and suffering if they were to steal or damage these treasures.
They did not hesitate to use the worst punishments they knew—excommunication from the church and horrible, painful death. Steal a book, and you might be cleft by a demon sword, forced to sacrifice your hands, have your eyes gouged out, or end in the “fires of hell and brimstone.”
“These curses were the only things that protected the books,” says Marc Drogin, author of Anathema! Medieval Scribes and the History of Book Curses. “Luckily, it was in a time where people believed in them. If you ripped out a page, you were going to die in agony. You didn’t want to take the chance.”
Read the entire article at Atlas Obscura!
