What is Fitness? – Journal Article by Greg Glassman

Wired to Eat: Turn Off Cravings, Rewire Your Appetite for Weight Loss, and Determine the Foods That Work for You

By Robb Wolf

Power, Speed, ENDURANCE: A Skill Based Approach to Endurance Training

By Brian MacKenzie with Glen Cordoza

Power, Speed, ENDURANCE is a highly effective training system that has catapulted thousands of endurance athletes to the next level. Developed by CrossFit Endurance founder Brian MacKenzie and featuring instruction from some of the world’s top endurance and CrossFit coaches, Power, Speed, ENDURANCE unveils techniques, drills, and training strategies that will optimize your performance and overall work capacity while decreasing your susceptibility to injury.