Learning to Breathe FireBy: J. C. Herz The absorbing, definitive account of CrossFit's origins, its explosive grassroots growth, and its emergence as a global phenomenon. One of the most illuminating books ever on a sports subculture, Learning to Breathe Fire combines vivid sports writing with a thoughtful meditation on what it means to be human. In the book, veteran journalist J. C. Herz explains the science of maximum effort, why the modern gym fails an obese society, and