The Hitchhiker's Guide to the Galaxy — Reading Order
by Douglas Adams
The answer is 42. Arthur Dent's planet is demolished for a hyperspace bypass and his hitchhiking adventure across the galaxy begins.
The Hitchhiker's Guide to the Galaxy
Douglas Adams · 1979
Arthur Dent escapes Earth's demolition and hitchhikes across the galaxy with a towel and a very depressed robot.
The Restaurant at the End of the Universe
Douglas Adams · 1980
The gang dines at Milliways, where you can watch the universe end while enjoying a nice meal.
Life, the Universe and Everything
Douglas Adams · 1982
Arthur and Ford must stop the people of Krikkit from destroying the universe with a wicket gate and a key.
So Long, and Thanks for All the Fish
Douglas Adams · 1984
Arthur returns to Earth (which somehow exists again), falls in love, and learns why the dolphins left.
Mostly Harmless
Douglas Adams · 1992
The fifth book in the increasingly inaccurately named trilogy. Arthur becomes a sandwich maker on a remote planet.