More like Forever Autumn

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The Apocalypse TrollNovel
David Weberstandalone novel1999
Alien invasion, about aliens and war.
FootfallNovel
Larry Niven & Jerry Pournellestandalone novel1985
Alien invasion and first contact, about aliens and war.
“When aliens travel to Earth from Alpha Centauri, differences between alien and human psychology result in an unprovoked invasion, and the resulting resistance results in the aliens' use of a devastating weapon.”
from the catalogue
The Andromeda StrainSeries
series2 books1969
About plague and pandemic.
“Daniel H. Wilson's authorized 2019 sequel The Andromeda Evolution revisits the same threat five decades later.”
from the catalogue
Start with The Andromeda Strain →
Our Children's ChildrenNovel
Clifford D. Simakstandalone novel1974
Post-apocalyptic, about aliens.
“By means of one-way time tunnels, they fled the ravening beasts with teeth, claws and tentacles, that reproduced like bacteria and were intelligent.”
from the catalogue
The WandererNovel
Fritz Leiberstandalone novel1964
About aliens, set in space.
Time StormNovel
Gordon R. Dicksonstandalone novel1977
Post-apocalyptic, set in near future.
“A time storm has devastated the Earth, and only a small fraction of humankind remains.”
from the catalogue