Since the 1960s, yoga has become a billion-dollar industry in the West, attracting housewives and hipsters, New Agers and the old-aged. But our modern conception of yoga derives much from nineteenth-century European spirituality, and the true story of yoga's origins in South Asia is far richer, stranger, and more entertaining than most of us realize. To uncover this history, David Gordon White focuses on yoga's practitioners. Combing through...