I haven't had a contest yet, but I really like the idea, so this week I'm offering a signed hardback copy of my first book,
A Beautiful Blue Death. Please email charles@charles-finch.com to enter; I'll pick the winner at random next week. I'd be happy to inscribe the book too, if you let me know who it's for, whether there's an occasion, etc, in your e-mails.
Good luck!