The Frightened Planet

The Frightened Planet is a mid-20th century science fiction novel by Sidney Austen. It follows Karn, a Cro-Magnon man who becomes an outcast from his tribe and encounters the technologically advanced but culturally weak inhabitants of Mahlo. As the Mahloans face invasion by the hostile Green Ones, Karn's physical prowess and warrior instincts inspire them to reclaim their strength and fight back. The narrative explores themes of survival, societal norms, and the clash between primitive and advanced cultures.