Rules: 1. Must be full length novels, short stories, poems, textbooks etc. don't count. 2. Atleast 52 books between 1 January 2010 and 31 December 2010.
I would hand it in, for sure. It's a lot of money, and if I was the one who lost it I would obviously want someone to hand it in. Besides, I'd feel far too guilty if I didn't ;)