I'm a firm believer that the books you have are a reflection of your personality. Never mind that you don't get to read them, just the fact that you bought them and keep them in your bookshelf say a lot about who you are (or who you want to be).
Here's a snapshot I took of a section of my bookshelf. I'm sure that you're already coming up a list of my character traits just by looking at the books.
Let's try a little experiment, shall we? Email me a picture of your bookshelf at email@example.com, and I'll post it here with my insight on your character. I'll be waiting!