An undated handout shows Thad Carhart, author of the book "Across the Endless River.  "Across the Endless River," is set in the vastly different worlds Charbonneau inhabited -- the rough and ready U.S. frontier of the early 19th century and an aristocratic Europe recovering from Napoleon's wars. To match Reuters Life! BOOKS-AUTHOR/CARHART. Reuters Pictures logo Reuters Pictures 28 months ago

An undated handout shows Thad Carhart, author of the book "Across the Endless River. "Across the Endless River," is set in the vastly different worlds Charbonneau inhabited -- the rough and ready U.S. frontier of the early 19th century and an aristocratic Europe recovering from Napoleon's wars. To match Reuters Life! BOOKS-AUTHOR/CARHART.