1. The Power of Positive Thinking by Norman Vincent Peale (1952)
- Estimated Sales: 50 Million Copies
2. How to Win Friends and Influence People by Dale Carnegie (1936)
- Estimated Sales: 30 Million Copies
3. Think and Grow Rich by Napoleon Hill (1937)
- Estimated Sales: 30 Million Copies
4. The 7 Habits of Highly Effective People by Stephen Covey (1989)
- Estimated Sales: 25 Million Copies
5. Man's Search for Meaning by Viktor Frankl (1946)
- Estimated Sales: 20 Million Copies
6. The Road Less Traveled by M. Scott Peck (1978)
- Estimated Sales: 18 Million Copies
7. Who Moved My Cheese? by Spencer Johnson (1998)
- Estimated Sales: 18 Million Copies
8. The Purpose Driven Life by Rick Warren (2002)
- Estimated Sales: 15 Million Copies
9. Eat, Pray, Love by Elizabeth Gilbert (2006)
- Estimated Sales: 12 Million Copies
10. The Millionaire Next Door by Thomas J. Stanley and William D. Danko (1996)
- Estimated Sales: 10 Million Copies