More like Infinity's Doorway

universe · 123 books · 1940

About robots.

“There is a science that reads the future of quadrillions the way an astronomer reads the orbits of stars.”

from the catalogue

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includes Foundation, Trantorian Empire, The Positronic Robot Stories, Second Foundation Trilogy, The Collected Fiction of Isaac Asimov, Foundation (Original Stories)

universe · 142 books · 1964

About aliens.

“Give a clever species a few centuries and a working fusion drive, and it will fill the sky with problems.”

from the catalogue

similar byscience fictionfar futurespaceother star systems+2 more

includes Ringworld, Fleet of Worlds, Man-Kzin Wars

series · 19 books · 1972

completed

Space opera, about aliens.

“The Heechee are an advanced alien race that visited the Solar System hundreds of millennia ago and then mysteriously disappeared.”

from the catalogue

similar byspace explorationscience fictionfar futurespaceother star systems+2 more

universe · 7 books · 1973

About aliens, set in spaceship.

“Something is falling through the solar system on a hyperbolic orbit, and it is not a comet.”

from the catalogue

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includes Rama (2)

series · 11 books · 1895

“The greatest science fiction stories of all time chosen by the members of the Science Fiction Writers of America.”

from the catalogue

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Marion Zimmer Bradley · standalone novel · 1963

Space opera, about aliens.

“The Lhari seem peaceful and friendly, but they go to some lengths to protect their monopoly on faster-than-light travel.”

from the catalogue

similar byspace explorationscience fictionmysteriousfar futurespaceother star systemsadventurous