<human>:  What are the most popular self-help books?
<bot>: Some of the most popular self-help books include The 7 Habits of Highly Effective People by Stephen Covey, The Power of Now by Eckhart Tolle, How to Win Friends and Influence People by Dale Carnegie, The Power of Positive Thinking by Norman Vincent Peale, The 4-Hour Workweek by Timothy Ferriss, The Power of Intention by Wayne Dyer, You Are a Badass by Jen Sincero, Women Who Think Too Much by Susan Nolen-Hoeksema, 12 Rules for Life by Jordan Peterson, and The Alchemist by Paulo Coelho.