* "Hard Knocks" (2007)
* "Blood on the Plains" (2009)
* "The Great Divide" (2012)
* "South to Freedom" (2015)
* "Bound for the Promised Land" (2018)
* "The Last Trail" (2019)
* "Westward Dreams" (2021)
Μη λογοτεχνικά
* "The Journals of Lewis and Clark" (2006)
* "The Oregon Trail" (2008)
* "The California Trail" (2010)
* "The Santa Fe Trail" (2012)
* "The Mormon Trail" (2014)
* "The American West" (2016)
* "The History of the United States" (2018)