Mark Gilbert gets back with a short and enrapturing biography of one of the strongest figures ever in the sport world, Jim Thrope. In 1983, 30 years after Thorpe's death, the International Olympic Committee (IOC) restored his Olympic medals with replicas, after ruling that the decision to strip him of his medals fell outside of the required 30 days. Official IOC records still listed Thorpe as co-champion in decathlon and pentathlon until...