What are you doing with one of my books?
It's a good book, isn't it! That is why took my money... my heard earned congealed sweat... and bought it.
Do I want it back? Let me think about that for a minute. Yes! I want my book back.
I'll tell you what. If you give me my book back I won't come looking for it. It's a win-win situation.
Why don't we do each other a favor? You contact me to let me know you want to give me my book back. And I will make arrangements to get it back. Deal?