Hardsf
Explore the best hard science fiction books with Hardsf—your ultimate guide to mind-bending, scientifically accurate reads for true SF enthusiasts.

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A Door Into Ocean
by Joan Slonczewski
The Sharers of Shora are a nation of women on a distant moon in the far future who are pacifists, who are highly advanced in …

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Darwin's Radio
by Greg Bear
A 2000 HUGO AWARD NOMINEE Ancient diseases encoded in the DNA of humans wait like sleeping dragons to wake and infect again--or so molecular biologist …

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The Integral Trees
by Larry Niven
"Niven has come up with an idea about as far out as one can get. . . . This is certainly classic science fiction-the idea …

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Starfish
by Peter Watts
An international corporation has developed a power facility at the bottom of the Pacific Ocean to exploit geothermal power. The only people who can withstand …

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A Fire Upon The Deep
by Vernor Vinge
A Fire Upon the Deep is the big, breakout book that fulfills the promise of Vinge's career to date: a gripping tale of galactic war …

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Manifold: Time
by Stephen Baxter
Reid Malenfant redoubles his efforts to become an astronaut when it becomes clear that the future of the universe depends on the colonization of space …


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The Martian Race
by Gregory Benford
With NASA's mission to Mars scrapped because of a tragic accident, billionaire John Axelrod steps in to compete with the European-Chinese effort to reach the …

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The Diamond Age
by Neal Stephenson
Vividly imagined, stunningly prophetic, and epic in scope, The Diamond Age is a major novel from one of the most visionary writers of our time …

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Tau Zero
by Poul Anderson
The epic voyage of the spacecraft Leonora Christine will take her and her fifty-strong crew to a planet some thrity light-years distant. But, because the …


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Dragon's Egg
by Robert L. Forward
“In science fiction there is only a handful of books that stretch the mind—and this is one of them.”—Arthur C. Clarke In a moving story …


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Calculating God
by Robert J. Sawyer
In the near future, an alien craft lands outside the Royal Ontario Museum in Toronto. A six-legged, two-armed alien named Hollus relates to paleontologist Tom …


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The Golden Globe
by John Varley
"This is an engrossing novel by one of the genre's most accomplished storytellers." --Publishers Weekly All the universe is a stage...and Sparky Valentine is its …

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Gateway
by Frederik Pohl
Gateway opened on all the wealth of the Universe...and on reaches of unimaginable horror. When prospector Bob Broadhead went out to Gateway on the Heechee …

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A Deepness in the Sky
by Vernor Vinge
After thousands of years searching, humans stand on the verge of first contact with an alien race. Two human groups: the Qeng Ho, a culture …

Cover Sourced by ISBN
ID: 0765304368
(Book - Data not in DB)

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Protector
by Larry Niven
A classic novel of known space Phssthpok the Pak had been traveling for most of his thirty-two thousand years. His mission: save, develop, and protect …




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Distress
by Greg Egan
In the year 2055, a disease called "Distress" affects millions, and when investigative reporter Andrew Worth travels to the virtual planet of Stateless to document …

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The Engines of God
by Jack McDevitt
An unknown race called the Monument-Makers creates a stunning array of gorgeous statues, scattering them throughout the galaxy and encoding them with strange inscriptions that …