Well written biography of the explorer, Joddiah Smith, who helped to up our West. From childhood ""Diah"" was fired with ambition to explore beyond the Rocki At 15, with considerably more schooling than most farm children, he left his parents' home in Ohio, went to Detroit to get a job on Great Lake schooner, hunted and trapped in the winter, and after the war of 1812, joined an expedition to ascend the Missouri. He kept a diary -- drew maps -- traded with Indians -- pushed further west on successive expeditions -- discovered two new routes to the Pacific -- helped bla the Orgon Trail. He was -- for his times -- a wealthy man at 35, but did not live to enjoy the fruits of his labors. He was killed by Comanche Indians.