This book is based upon a family history. The settings of numerous flashbacks are real in time and location. Details have been added within the bounds of historical context and congruent with family history. The main characters in the book are fictional, although some minor characters may be real as the depictions of places and events.How will Sarah and Andrew deal with their mutual ancestral wagon train history? How will they rationalize a surreal trip? Who is the mysterious couple that appears? Why do they appear? Mystical, science fiction happenings are to serve a bigger purpose. The question is, what is it?The 1855 wagon train log at the end of the book is not fiction but real. It has been preserved as accurately as possible from handwritten notes.