Thanks to my agent and sounding board, Ken Sherman, and my lovely editor Aviva Layton.
Thanks fo John Reinhardt for a splendid design.
Thanks to the family of Harry Larkyns who filled in the blanks of his mysterious life.
I have been inspired by the lives and writings of Mark Twain (chapter 1), Meriwether Lewis (chapter 5), William Clark, John Muir (chapter 5), John Watkins, Rev. Thomas James (chapter 7), Oliver Onions (chapter 15), Erik Larson, Rebecca Solnit, and Dr. Norman E. Tutorow.