What is Good Omens about?

Good Omens is a comic fantasy novel about the impending apocalypse and the attempts of an angel and a demon — Aziraphale and Crowley, who have been stationed on Earth since the Beginning — to prevent it. Neither of them particularly wants the world to end: Aziraphale has grown fond of bookshops and fine dining; Crowley has developed a taste for his Bentley and annoying houseplants. They have, over six thousand years of proximity, developed a working relationship that has drifted into something considerably warmer. When the Antichrist is misplaced at birth and grows up as an ordinary English boy who has no idea who he is, the forces of Heaven and Hell find their schedule disrupted in ways neither anticipated.

The book is about free will in the most practical sense: whether beings created for a purpose can choose differently. Aziraphale and Crowley are the novel's argument that they can. They are not reformers or rebels — they are, respectively, a bit fussy and a bit lazy — but their attachment to the world they've been asked to destroy or defend turns out to be enough. The Antichrist, raised as a normal child with normal human values, turns out to be the novel's actual moral center: someone with enormous destructive power who uses it to assert that the world, despite everything, is worth keeping.

Pratchett and Gaiman wrote Good Omens as a genuine collaboration — the seams are largely invisible — and the result is a novel with both Pratchett's satirical bureaucratic absurdism and Gaiman's mythological romanticism. The footnotes are a feature, not a bug. The novel moves fast, is frequently very funny, and has a genuine emotional underpinning that the comedy serves rather than undermines. Pratchett in particular was writing about humanity's capacity for mess and decency simultaneously, and that affection for flawed human life runs through every page.

Good Omens has aged unusually well for a 1990 comic novel — its theology is sharp, its environmental anxiety is prescient, and its central relationship reads as warmly and clearly queer to modern readers even though neither the text nor its authors (at the time) would have used that label. The Amazon adaptation made it explicit. Readers who enjoy British comic writing, Douglas Adams adjacency, and theological farce with genuine heart will find it close to perfect.