More like Impact-20

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The Sirens of TitanNovel
Kurt Vonnegut & Jr.standalone novel1959
Space opera, set in space and far future.
The Hitchhiker's Guide to the GalaxyUniverse
universe18 books1979
Humor, set in space and far future.
“The Earth is scheduled for demolition to make way for a hyperspace bypass, and honestly, nobody filed the paperwork properly.”
from the catalogue
Start with The Hitchhiker's Guide to the Galaxy →
includes Hitchhiker's Guide to the Galaxy, Dirk Gently
The Science Fiction Hall of FameSeries
series11 books1895
Science fiction.
“The greatest science fiction stories of all time chosen by the members of the Science Fiction Writers of America.”
from the catalogue
Start with The Science Fiction Hall of Fame, Volume One →
The High CrusadeNovel
Poul Andersonstandalone novel1960
Adventurous in tone, about war, set in british isles and medieval.
Doorways in the SandNovel
Roger Zelaznystandalone novel1976
Mystery & detective, mysterious in tone, set in far future and other star systems.
“Zelazny wrote the whole story in one draft, with no rewrites, and it subsequently became one of his five favorites among his own work.”
from the catalogue
The Midwich CuckoosNovel
John Wyndhamstandalone novel1957
Dark in tone, about parenthood, set in british isles and small town.