THE NEW YORK TIMES BESTSELLER • Foreword by Malcolm GladwellLimits are an illusion: discover the revolutionary account of the science and psychology of endurance, revealing the secrets of reaching the hidden extra potential within us all. "A voyage to the outer reaches of human capacity.” —David Epstein, author of Range"Reveals how we can all surpass our perceived physical limits." —Adam Grant The capacity to endure is the key trait that underlies great performance in virtual