This is not just another diet and fitness book; the 4-Hour Body is the result of an obsessive quest, spanning more than a decade, to hack the human body. It contains the collective wisdom of hundreds of elite athletes, dozens of MDs, and thousands of hours of jaw-dropping personal experimentation. From Olympic training centers to black market laboratories, from Silicon Valley to South Africa, Tim Ferriss, #1 New York Times bestselling author of The 4-Hour Workweek, fixated on one life-changing question. For all things physical, what are the tiniest changes that produce the biggest results. This book contains the answers; from the gym to the bedroom, it's all here, and it all works. 592 pages. Published on December 14, 2010. Made in the USA.