The Four Hour Body.
Best known for his rapid-learning technique.
Timothy Ferriss is a serial entrepreneur, #1 New York Times bestselling author, and angel investor/advisor (Facebook, Twitter, Evernote, Uber, and 20+ more).
Based on more than a decade of research, the collective wisdom of hundreds of elite athletes and medical doctors, as well as thousands of hours of jaw-dropping personal experimentation, Ferris has finally perfected the way to rapid body transformation.
The Four Hour Body