The following were the bestselling books on AbeBooks.com in 2006:
1. The Da Vinci Code by Dan Brown
2. The World Is Flat by Thomas Friedman
3. The Seven Habits of Highly Effective People by Stephen Covey
4. The Purpose Driven Life by Rick Warren
5. Tuesdays with Morrie by Mitch Albom
6. In Cold Blood by Truman Capote
7. Who Moved My Cheese by Spencer Johnson
8. I Feel Bad About My Neck by Nora Ephron
9. How Opal Mehta Got Kissed, Got Wild and Got a Life by Kaavya Viswanathan
10. Freakonomics by Steven D. Levitt and Stephen J. Dubner
1. The Da Vinci Code by Dan Brown
2. The World Is Flat by Thomas Friedman
3. The Seven Habits of Highly Effective People by Stephen Covey
4. The Purpose Driven Life by Rick Warren
5. Tuesdays with Morrie by Mitch Albom
6. In Cold Blood by Truman Capote
7. Who Moved My Cheese by Spencer Johnson
8. I Feel Bad About My Neck by Nora Ephron
9. How Opal Mehta Got Kissed, Got Wild and Got a Life by Kaavya Viswanathan
10. Freakonomics by Steven D. Levitt and Stephen J. Dubner