So Long, and Thanks for All the Fish

by Joan Sandin

Chambers captures that same blend of cosmic absurdity and genuine warmth that makes Adams' work so memorable—a ragtag crew on a spaceship where the real story isn't the plot but the relationships and conversations between wildly different species. Like Arthur, her characters are fundamentally decent people navigating an indifferent universe, and she finds humor in the gap between what they expect and what actually happens.

by Jasper Fforde

Fforde shares Adams' gift for building elaborate absurd worlds where the rules are internally consistent and treated with complete seriousness—here, it's a 1985 England where literature is taken so literally that people can jump into books. The protagonist Thursday Next has that same bemused competence as Arthur, constantly finding herself in ridiculous situations that somehow make perfect sense within the story's logic.

by George MacDonald

This might seem like a departure—it's fantasy, not sci-fi—but Addison does something Adams would appreciate: she takes the bureaucratic absurdity of court politics and treats it with the same meticulous, slightly bewildered attention Arthur brings to the universe. The protagonist is constantly overwhelmed by systems he doesn't understand, and the humor comes from his genuine attempts to be decent in an indifferent institutional world.

by Jr. Kurt Vonnegut

Published in 1973, this is your decade-hop—and Vonnegut shares Adams' conviction that the universe is fundamentally ridiculous and that the only sane response is dark comedy mixed with genuine compassion. Both authors interrupt their narratives to comment on the absurdity of existence itself, and both use science fiction trappings to ask why anything matters when everything is equally meaningless and equally precious.

by George MacDonald

Kingfisher (Ursula Vernon's pen name) writes fantasy adventure with the same wry, digressive narrative voice and tendency toward unexpected tenderness that Adams uses—her characters are frequently confused, frequently kind, and frequently discovering that the world is stranger than they assumed. She has that same gift for making you care about people while simultaneously finding their predicaments hilarious.