1. The oldest book.

2. The newest book.

3. A math related word in the title.

4. A book related word in the title.

5. An author you've never read before.

6. Less than 150 pages.

7. More than 500 pages.

8. A nature related word in the title.

9. Your favourite genre.

10. Set in or from a country that isn't in North America.