* 53/02/07 1 Dispatch to New York * 53/02/14 2 The Northwest Ordinance * 53/02/21 3 The Louisiana Purchase * 53/02/28 4 The Louis and Clarke Expedition * 53/03/07 5 Samuel Slator's Machine * 53/03/14 6 The Golden Ocean * 53/03/21 7 The Magic Wire * 53/03/28 8 On to Monterey * 53/04/04 9 The California Goldrush * 53/04/11 10 The Rich Desert * 53/04/18 11 The New South * 53/04/25 12 The Blue Yonder * 53/05/02 13 The Brave Flag (last of series)