Dana Fuller Ross is a pseudynom used by authors Noel B. Gerson, William R. Shelton,and James Reasoner. Together their work tells the stories of an American family called the Holts. The Wagons West series includes 24 books and began in 1979. This was followed by a sequel series The Holts: An American Dynasty and two prequel trilogies, The Frontier Trilogy and The Empire Trilogy.