"War-Gods of the Void" by Henry Kuttner is a science fiction novel written during the early 20th century. The story follows Jerry Vanning, an Earth investigator, as he pursues the fugitive Don Callahan on the inhospitable planet of Venus. Vanning's search leads him to encounter the mysterious North-Fever that drives men to madness and death, ultimately uncovering dark secrets about an ancient alien race, the Swamja, who rule over the planet and enslave its inhabitants. The narrative unfolds as Vanning, initially tasked with retrieving a dangerous secret treaty from Callahan, finds himself trapped in a perilous world where the North-Fever compels him to journey northward into the swamps of Venus. He later discovers that the Swamja have engineered this fever to trap and enslave humans and natives alike. As Vanning navigates this treacherous landscape, he joins forces with other captives, including Lysla, a fellow Earthwoman. Together, they attempt to escape the alien oppressors while Vanning remains determined to capture Callahan. Ultimately, the story explores themes of survival, rebellion against tyranny, and the quest for freedom against overwhelming odds. (This is an automatically generated summary.)