"Good Omens," co-authored by Neil Gaiman and Terry Pratchett, is a comedic fantasy novel that follows the story of an angel, Aziraphale, and a demon, Crowley, who have grown accustomed to life on Earth and are not keen on the impending apocalypse. As the Antichrist is born, they attempt to thwart the end of the world by influencing the child, only to realize that there's been a mix-up. The novel humorously explores themes of destiny, friendship, and the battle between good and evil, all while depicting the idiosyncratic interactions of heavenly and hellish figures with humans.