Mr Roosevelt's Steamboat Author:Mary Helen Dohan Here, in a story of high adventure and unlikely romance, is an authoritative account of the first steamboat voyage on the Mississippi river in 1811. This hazardous three-month's long voyage changed the course of history. It is also the story of two fascinating people, inventor Nicholas Roosevelt and his adventurous young wife, Lyola Latrobe,... more » who together challenged the Mississippi … and won.« less