I have never heard this term “bibliomania” before, but from this article on it is now a part of my everyday vocabulary. After sharing this article with S, I had to go on to say that “Stealing books is criminal, stealing lingerie is erotic” not that I do either but the latter I can understand.
Anyways, here’s a fun read:

http://www.telegraph.co.uk/culture/7903230/The-love-of-the-high-end-heist.html