medievalbooks.nl/2015/07/10/chai ... val-times/
Books in chests and chains, sometimes cursed.
ironboundtomes indeed! 
A 16th century device for safekeeping books in a library, which would have really scared people from Mythic Europe, is this: bibliofiloenmascarado.com/20 ... -un-libro/
Yep, it is the papal excommunication of those who stole books from the University of Salamanca. Chains, cases and curses were not enough, it appears.
Cheers
Ha! Bravo sir. Gave me a smile.
On an unrelated silly note: perhaps Tytalus magi didn't get Leprosy quiet where they said...
boingboing.net/2015/07/22/spitti ... given.html
Seems legit.