"Quest's End" by Basil Wells is a science fiction novel written in the early to mid-20th century. The story revolves around Thig, an alien being from the planet Ortha who takes on the identity of the human author Lewis Terry. The narrative explores themes of identity, loyalty, and the clash between two vastly different civilizations. Thig is determined to thwart an impending invasion from Ortha that threatens to conquer Earth, forcing him to battle against his own people to protect his newfound home. The plot follows Thig as he prepares to confront a forthcoming expedition from Ortha, aiming to prevent the Horde from colonizing Earth and ensuring the safety of his adopted family. Utilizing both cunning and explosive means, he embarks on a series of daring missions to gather resources and craft a plan for destruction. Thig's dilemma intensifies as he navigates the complexities of his identity and the alien logic of the Hordemen while devising a last-ditch effort to thwart their plans. In a climactic twist, Thig ultimately sacrifices himself to ensure Earth's safety, underlining the transformative power of love and humanity against the backdrop of war and betrayal. Through Thig's journey, the novel reflects on the significance of personal sacrifice for the greater good. (This is an automatically generated summary.)