This Vision book for youth 9 - 15 years old tells the thrilling story of one of America's greatest missionaries who came down from Canada with explorer Louis Joliet to explore the mighty Mississippi River, the "great river" bordered by Indian tribes who killed white men on sight. Of the few who had dared explore this immense waterway, none had lived to return and report where it emptied. If he could travel to the mouth of the "great river", Fr...