The Plainsmen is a western fiction series by American novelist Terry C. Johnston. The series follows central character Seamus Donegan during the U.S. Army’s struggle with the Native Americans. The series starts in 1866, with the last several novels set in 1877.


Terry C. Johnston (1947-2001) was an American author of western novels. Before he started as an author, Terry travelled around, working various jobs and all the while learning more about the Old West. He is best known for his Titus Bass series, set during the Rocky Mountain Fur Trade, as well as his Plainsmen series.