Colonists on Mars fight to prevent their own extinction in "a suspenseful genre-bending combination of straight SF and mystery" (Booklist, starred review). Doomed by overpopulation, irreversible environmental degradation, and never-ending war, Earth has become a fetid swamp. For many, Mars represents humankind's last hope. In six tightly clustered towers on the red planet's surface, the colonists who have escaped their dying home world are attempting...

The epic saga of an earthling, born and educated on Mars, who arrives on our planet with superhuman powers and a total ignorance of the mores of man.

Perfect for an entry-level sci-fi reader and the ideal addition to a veteran fan's collection, John Scalzi's Old Man's War will take audiences on a heart-stopping adventure into the far corners of the universe.

John Perry did two things on his 75th birthday. First he visited his wife's grave. Then he joined the army.
The good news is that humanity finally made it into interstellar space. The bad news is that planets fit

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Set on the desert planet Arrakis, Dune is the story of the boy Paul Atreides, heir to a noble family tasked with ruling an inhospitable world where the only thing of value is the 'spice' melange, a drug capable of extending life and enhancing consciousness. Coveted across the known universe, melange is a prize worth killing for... When House Atreides is betrayed, the destruction of Paul's family will set the boy on a journey toward a destiny greater...

Landing on a new planet where he's instantly caught up in the struggle between a tyrant and the rebels, Nomad, in a world under constant threat of a sunrise whose heat will melt the very stones, must gain enough power to leap offworld before he pays the ultimate price.

A human emissary sent to the world of Winter to bring it into a galactic civilization must find a way to bridge the gulf between his outlook and that of the natives, who can change gender at will.

Dr. Ransom, a noted philologist, is kidnapped and flown by spaceship to Malacandra (Mars) where he flees his human captors and establishes communication with the planet's extraordinary inhabitants. What he learns galvanizes his attempt to return to Earth with a message of great urgency.

The Ender Saga continues with Shadow of the Giant, which parallels the events of Ender's Game from a different character's point of view. Bean's past was a battle just to survive. He first appeared on the streets of Rotterdam, a tiny child with a mind leagues beyond anyone else. He knew he could not survive through strength; he used his tactical genius to gain acceptance into a children's gang, and then to help make that gang a template for success...

When a Kibou-daini cryocorp--an immortal company whose job it is to shepherd its all-too-mortal frozen patrons into an unknown future--attempts to expand its franchise into the Barrayaran Empire, Emperor Gregor dispatches his top troubleshooter Miles Vorkosigan to check it out.