Lessa is ready to come out of hiding and reclaim her birthright, but first she must save the planet of Pern from the deadly silver Threads.

For generations, the solar system -- Mars, the Moon, the Asteroid Belt -- was humanity's great frontier. Until now. The alien artifact working through its program under the clouds of Venus has appeared in Uranus's orbit, where it has built a massive gate that leads to a starless dark. Jim Holden and the crew of the Rocinante are part of a vast flotilla of scientific and military ships going out to examine the artifact. But behind the scenes, a complex...

With two great golden clouds suspended around it, Moth was the only planet that appeared to have wings. It was a beautiful planet . . . and a trap for the unwary.
Here was a wide-open world for any venture a man might scheme. The planet attracted unwary travelers, hardened space-sailors, and merchant buccaneers—a teeming, constantly shifting horde that provideda comfortable income for certain quick-witted fellows like Flinx and his...

In the first book of C.S. Lewis's legendary science fiction trilogy, Dr. Ransom is kidnapped and spirited by spaceship to the mysterious red planet of Malandra. He escapes and goes on the run, jeopardizing both his chances of ever returning to Earth and his very life. First published in 1943, this classic interplanetary fantasy continues to delight readers around the world. Written during the dark hours immediately before and during the Second World...

Enlisting in the army on his seventy-fifth birthday, John Perry joins an interstellar war between Earth and alien enemies who would stake claims on the few existing inhabitable planets, unaware that the conflict involves much more than he understands.

"Murderbot returns in its highly-anticipated, first, full-length standalone novel, Network Effect. You know that feeling when you're at work, and you've had enough of people, and then the boss walks in with yet another job that needs to be done right this second or the world will end, but all you want to do is go home and binge your favorite shows? And you're a sentient murder machine programmed for destruction? Congratulations, you're Murderbot....

Beautiful astrophysicist Rebecca Blake deciphers long-awaited signals from space, persuades world leaders to construct a machine that many consider a Trojan Horse, and journeys into space for an epochal encounter.

Ender Wiggin confronts his ultimate challenge when his adopted world, Lusitania, is threatened by his old planet-destroying weapon, and his ally, Jane, is about to be killed off by the Starways Congress.

Kidnapped by a starship bound for deep space, Marcus Walker learns that he is to be sold to a wealthy collector as a native from a primitive planet and befriends a talking dog named George, who becomes an ally in their plan to escape.