The Encyclopedia of Underground Strength and Conditioning · How to Get Stronger and Tougher · in the Gym and in Life · Using the Training Secrets of the Athletic Elite

Some of the world’s toughest and most successful men have endorsed Zach Even-Esh’s Encyclopedia of Underground Strength and Conditioning as a must-have, go-to resource for developing the supreme athletic durability, multi-functional strength and spiritual fortitude they most prize… Men like Joe De Sena, founder of The Spartan Race:

"At Spartan, we have always said the world needs a thorough encyclopedia on strength and conditioning. Whether it is our own athletes attending our races, moms, or even the elite special forces we speak to, everyone is looking for an edge. Zach's Encyclopedia of Underground Strength and Conditioning is exactly what today's society needs to build a stronger mind, body and life, just as we encourage here at Spartan.

The inspirational life lessons shared in this book along with these training methods are what make this book powerful and timeless. You owe it to yourself to read this book if you want to change your life."