More like First Contact

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The VisitorsNovel
Clifford D. Simakstandalone novel1980
Tense in tone, about survival, set in our world and north america.
“WorldCat: Intelligent, alien creatures arrive on Earth from outer space, threatening world stability and presaging the destruction of civilization.”
from the catalogue
The Hercules TextNovel
Jack McDevittstandalone novel1986
Reflective in tone, about space exploration, set in our world and north america.
ArtifactNovel
Gregory Benfordstandalone novel1985
Hard science fiction, about magical artifacts and expeditions, set in europe.
“Archaeologists have discovered in Greece an object of alien origin buried 3500 years ago.”
from the catalogue
SphereNovel
Michael Crichtonstandalone novel1987
Thriller & suspense, tense in tone, set in underwater and spaceship.
“Keeping Top Secret, the US Navy is guarding a gigantic spaceship that has been lying on the Pacific ocean floor for centuries, overgrown with corals.”
from the catalogue
Sinister BarrierNovel
Eric Frank Russellstandalone novel1939
Tense in tone, about surveillance, set in our world.
“Russell revised and expanded the book for its first US publication by Fantasy Press in 1948.”
from the catalogue
The FrescoNovel
Sheri S. Tepperstandalone novel2000
Challenging in tone, about political intrigue, set in our world.
“The Fresco was on the shortlist for 2001 James Tiptree, Jr. Award”
from the catalogue