Novels (Hitch Hiker's Guide to the Galaxy / Restaurant at the End of the Universe / Life, the Universe and Everything / So Long, and Thanks for All the Fish)

["comic science fiction" "Vogons" "Humorous fiction" "Imaginary voyages" "wit and humour" "Science Fiction" "Interstellar travel" "Fiction" "Interplanetary voyages" "Life on other planets" "Humorous stories" "Restaurants" "Fiction science fiction general" "Fiction humorous" "Dent arthur (fictitious character) fiction" "Prefect ford (fictitious character) fiction" "Arthur Dent (Fictitious character)" "English Humorous stories" "English Science fiction" "Ford Prefect (Fictitious character)" "Humorous stories English" "Science fiction English" "Long Now Manual for Civilization" "English literature" "Fiction humorous general"]