He is the author of So Far from Dixie: Confederates in Yankee Prisons and Indian Country, God’s Country: Native Americans and the National Parks. His latest book, Song of Dewey Beard: Last Survivor of the Little Bighorn (October 2014) is the biography of Dewey Beard, a Minneconjou Lakota who witnessed the Battle of Little Bighorn, survived Wounded Knee, traveled with William Cody, experienced the continued exploitation of the government during World War II, and felt the effects of Black Hills tourism and Hollywood Indians.