If you delighted in the wild, psychedelic wit and offbeat charm of The Butterfly Kid—from the bizarre adventures sparked by reality-bending butterflies to the hilarious, surreal situations in Greenwich Village—you’ll love The Hitchhiker's Guide to the Galaxy. Douglas Adams delivers a riotously funny cosmic romp, filled with eccentric characters like Zaphod Beeblebrox and Marvin the Paranoid Android, and a tone that brilliantly skewers both science fiction and modern life.

If you were fascinated by the mind-bending, psychedelic experiences and the culture-bending atmosphere of The Butterfly Kid, A Scanner Darkly dives even deeper into the distortions of reality and identity. Set in a near-future California awash in drug culture, Philip K. Dick’s novel explores shifting perceptions and blurred boundaries of self, all through a lens that’s as strange and disorienting as Chester Anderson’s wildest scenes.

If you appreciated how The Butterfly Kid pokes fun at both the counterculture and the conventions of science fiction, The Sirens of Titan is a perfect next read. Vonnegut’s signature blend of satire and cosmic adventure follows Malachi Constant on a wild journey across the solar system, lampooning everything from free will to the meaning of life, with the same playful, irreverent spirit.

If you loved the sense of play and the whimsical, almost magical chaos unleashed by the butterflies in The Butterfly Kid, The Long Dark Tea-Time of the Soul offers a similarly delightful blend of the mundane and the fantastical. Detective Dirk Gently finds himself embroiled in a hilarious, unpredictable mystery that involves Norse gods and impossible occurrences, all delivered with Adams’s signature charm.

If what drew you to The Butterfly Kid was the colorful, anarchic group of characters—counterculture heroes, oddballs, and misfits all swept up in psychedelic adventure—then Illuminatus! will sweep you away. This cult classic weaves together a sprawling cast, wild conspiracies, and mind-bending realities, all with a uniquely playful and irreverent tone.