Home › Authors › D.W. Ulsterman 👤 D.W. Ulsterman 7 books Books by D.W. Ulsterman Turn Point Massacre (San Juan Turn Point Massacre (San Juan Islands Mystery) 2020 THE IRISH COWBOY 2019 The Bowman Boys 2018 Rosario's Revenge 2017 Dominatus 2013 Tumultus Tumultus 2013 The Writer 1893