In Douglas Adams’ The Hitchhiker’s Guide to the Galaxy, the answer to life is 42. Why? Adams said he wanted a simple, joke number. It’s now the most famous punchline in sci-fi.
In Terry Pratchett’s Discworld, Death speaks in ALL CAPS and has a cat who thinks it owns the universe. The cat is right.
The Best Books of 2026 - Science Fiction And Fantasy (A Year-End List
Also, in Ursula K. Le Guin’s The Left Hand of Darkness, people change genders every month. It’s a brilliant thought experiment that still feels daringly fresh.
