101 Must-Read Business and Self-Development Books NOT Overhyped and Overexposed on any Best-Seller List.

We asked over 10,000 entrepreneurs and self-improvement fanatics to share their best business and self-development books that impacted their lives, but aren't well known. In other words, NO BEST SELLERS could be mentioned. Books overshared and over-recommended with 10,000 reviews would not be accepted. Underground books only!