If you loved the absurd humor and clever wordplay in So Long And Thanks For All The Fish, you'll be right at home with Good Omens. Pratchett and Gaiman bring the same delightfully satirical tone to the story of an angel and a demon teaming up to stop Armageddon, with plenty of witty banter and endearing characters (think Aziraphale and Crowley’s hilarious dynamic) that echo the comedic brilliance of Douglas Adams.

If you enjoyed Arthur Dent’s offbeat journey through the galaxy and the comedic misadventures of So Long And Thanks For All The Fish, Red Dwarf: Infinity Welcomes Careful Drivers delivers a similar blend of oddball characters and spacefaring hijinks. Follow Dave Lister, the last human alive, and his unlikely companions (including a hologram and a humanoid cat) as they bumble through space in a story packed with laughs and sci-fi absurdity.

If you were drawn to the quirky, reality-bending elements of So Long And Thanks For All The Fish—like rain gods, dolphins, and improbable events—you'll be fascinated by The Eyre Affair. Literary detective Thursday Next chases villains through alternate realities and classic novels, with plenty of surreal twists, clever literary references, and a world that gleefully refuses to play by the rules.

If Arthur Dent's unexpected romance with Fenchurch brought you joy amidst the cosmic chaos in So Long And Thanks For All The Fish, you'll appreciate The Portable Door. This book follows Paul Carpenter as he navigates a bizarre magical firm and an equally quirky budding romance. The mix of magical mayhem, British wit, and offbeat love story will feel right in line with what you loved about Adams.

Did the blend of adventure, satire, and tongue-in-cheek storytelling in So Long And Thanks For All The Fish keep you smiling? Then The Princess Bride is for you. With iconic characters like Westley, Inigo Montoya, and Vizzini, and a story that deftly balances romance, swashbuckling, and meta-humor, it captures that same spirit of playful, intelligent fun.