In 1863, the thirteen-year-old boy who would come to be called Comanche Jack was sent to the well to fetch water. Instead, he joined a wagon train bound for Santa Fe. Thus began the exploits of Simpson E. “Jack” Stilwell (1850–1903), a man generally known for slipping through Indian lines to get help for some fifty frontiersmen besieged by the Cheyenne at Beecher Island in 1868. Daring as his part in the rescue might have been, it was only one noteworthy episode of many in Comanche Jack St...