""Half a Rogue"" is a novel written by Harold MacGrath. The story revolves around a young man named Jack, who is the illegitimate son of a wealthy man. Jack is forced to leave home after his father dies and his stepmother mistreats him. He becomes a gambler and a con artist, but he has a good heart and helps those in need. Jack falls in love with a young woman named Dorothy, but their relationship is complicated by her father's disapproval and Jack's...