Geronimo and Sitting Bull is Bill Markley's third book in his Legendary West series. Wyatt Earp and Bat Masterson chronicles their adventures; and Billy the Kid and Jesse James; tells their tales. Bill and coauthor Kellen Cutsforth explore historical controversies in Old West Showdown. All three are Will Rogers Medallion Award finalists. Bill has written additional nonfiction books and a novel, Deadwood Dead Men. A member of Western Writers of America, he writes for True West, Wild West, and Roundup magazines. Bill has visited locations important to Geronimo, including Fort Bowie, and to Sitting Bull, including the Little Big Horn.