Гор (or "Gor") is a fictional planet featured in the science fiction series created by author John Norman. The series, known as the "Gor" novels, is set in a world that resembles a primitive version of Earth, where various cultures and societies exist, often with a focus on themes of dominance and submission. The inhabitants of Gor include various races and groups, such as the Tarnsmen, who are skilled riders of giant birds called Tarns. The novels explore complex social structures and relationships, often drawing on philosophical and psychological themes, making them both controversial and popular among readers of speculative fiction.