<div> <div> <b>What explains the Manning brothers, the Williams sisters, and all those worldclass Jamaican sprinters?</b></div> <br> Do superstar athletes like Usain Bolt and Michael Phelps owe their success to genetic luck? Or are they basically normal people who overcame their biological limits through sheer force of will and obsessive training?</div><div> <br> In this acclaimed<i> New York Times</i> bestseller, David Epstein tackles the ancient nature versus nurture debate by exploring the latest scientific research. He shows why some skills that we assume are innate, like the speedy reactions of a baseball batter, are not, and why other characteristics that we assume are entirely voluntary, like an athelete’s will to train, might have important genetic components.</div>