The inspiration for Blade Runner. Do Androids Dream of Electric Sheep? was published in 1968. Grim and foreboding, even today it is a masterpiece ahead of its time. By 2021, the World War had killed millions, driving entire species into extinction and sending mankind off-planet. Those who remained coveted any living creature, and for people who couldn't afford one, companies built incredibly realistic simulacrae: horses, birds, cats, sheep. . . They...

The theology in this novel is not an analog of any known religion. It stems from an attempt made by William Sarill and myself to develop an abstract, logical system of religious thought, based on the arbitrary postulate that God exists. Fourteen strangers came to Delmak-O. Thirteen of them were transferred by the usual authorities. One got there by praying. But once they arrived on that planet whose very atmosphere seemed to induce paranoia and psychosis,...

The third and final volume of an overview of the author's work features novels written during his later years, including "A Maze of Death" and "The Divine Invasion," when the themes of religious revelation became predominant.