If you delighted in the dry, absurd humor and zany logic that Douglas Adams brings to Dirk Gently's Holistic Detective Agency, you'll love Good Omens. Here, the angel Aziraphale and the demon Crowley bumble their way through an impending apocalypse, encountering everything from prophecies to misplaced Antichrists, all with a comedic touch that matches Adams' signature style.

If you enjoyed the way Dirk Gently navigates a world where the impossible is just another clue, The Eyre Affair will draw you in with literary detective Thursday Next, who solves crimes inside classic novels. Expect time travel, alternate realities, and a delightfully convoluted mystery that plays with logic and genre in much the same way as Adams.

If the offbeat investigations of Dirk Gently appealed to you, you'll get a kick out of Eddie Bear and Jack's quest to solve nursery rhyme murders in Toy City. The story gleefully subverts detective tropes with a blend of surreal settings and tongue-in-cheek humor, echoing the spirit of Adams' detective shenanigans.

If you were fascinated by the philosophical undertones and the playfulness with time and reality in Dirk Gently's Holistic Detective Agency, Vonnegut’s Slaughterhouse-Five delivers a mind-bending narrative following Billy Pilgrim as he becomes 'unstuck in time.' The book’s exploration of fate, free will, and the absurdity of existence will feel both familiar and refreshingly new.

If you liked the ensemble of peculiar figures in Dirk’s orbit, The Big Over Easy offers a murder investigation in a world where nursery rhyme characters are real. Detective Jack Spratt and his team encounter suspects like Humpty Dumpty, blending investigative intrigue with a cast as eccentric and memorable as Dirk’s companions.