Josh Kaufman is the bestselling author of books on business, applied psychology, and practical wisdom. His first book, The Personal MBA, is a top-selling business book worldwide, with more than 1 million copies sold. His second book, The First 20 Hours, introduced a universal research-based method of learning fun and useful skills. His third book, How to Fight a Hydra, a "fairy tale for the entrepreneur's journey," debuted at #1 in Modern Philosophy on Amazon.