The Galactic Patrol's Lensmen are the most feared peacekeepers in the galaxy. The "Lens", a telepathic jewel matched to the ego of its wearer, is the ultimate weapon in the war against the merciless pirate Boskone and his forces of lawlessness. The only problem is the Galactic Patrol isn't sure how to capitalize on the Lens' incredible powers. But new graduate Kimball Kinnison is determined to learn.

In this exhilarating sequel to The Skylark of Space, momentous danger again stalks genius inventor and interplanetary adventurer Dr. Richard Seaton. Seaton's allies on the planet Kondal are suffering devastating attacks by the forces of the Third Planet. Even worse, the menacing and contemptuous Fenachrones are threatening to conquer the galaxy and wipe out all who oppose them.

The Dragons of Pern are the world's only defence against an ancient threat - Thread, an evil rain that devours everything it touches. Paired with their riders from the moment they hatch, they risk their lives burning the scourge of the Red Star from the sky. But the dragons are in decline. Only one Weyr remains, and the only dragon queen is dying. F'lar knows that the Red Star is rising again and that the ancient threat will return. His only hope is the last queen egg and finding a woman strong enough to be the new queen's rider. But the villainous Lord Fax has other plans.

President Jack Ryan faces a world crisis unlike any he has ever known. A high-level assassination attempt in Russia has the newly elected Ryan sending his most trusted eyes and ears - including antiterrorism specialist John Clark - to Moscow, for he fears the worst is yet to come. And he’s right. The attempt has left the already unstable Russia vulnerable to ambitious forces in China eager to fulfill their destiny. If they succeed, the world as we know it will never look the same. If they fail, the consequences may be unspeakable.

Welcome to Ringworld, an intermediate step between Dyson Spheres and planets. The gravitational force created by a rotation on its axis of 770 miles per second means no need for a roof. Walls 1,000 miles high at each rim will let in the sun and prevent much air from escaping. Larry Niven's novel Ringworld is the winner of the 1970 Hugo Award for Best Novel.

There's a reason We Are Legion was named Audible's Best Science Fiction Book of 2016: Its irresistibly irreverent wit! Bob Johansson has just sold his software company for a small fortune and is looking forward to a life of leisure. The first item on his to-do list: Spending his newfound windfall. On an urge to splurge, he signs up to have his head cryogenically preserved in case of death. Then he gets himself killed crossing the street. Waking up 117 years later, Bob discovers his mind has been uploaded into a sentient space probe with the ability to replicate itself.

The Galactic Empire has prospered for 12,000 years. Nobody suspects that the heart of the thriving Empire is rotten, until psychohistorian Hari Seldon uses his new science to foresee its terrible fate. Exiled to the desolate planet Terminus, Seldon establishes a colony of the greatest minds in the Empire, a Foundation which holds the key to changing the fate of the galaxy.

It’s not easy making the career jump from office-supplies-store middle manager to heroic interdimensional adventurer. At least, Jason tries to be heroic, but it's hard to be good when all your powers are evil. He’ll face off against cannibals, cultists, wizards, monsters...and that’s just on the first day. He’s going to need courage, he’s going to need wit, and he’s going to need some magic powers of his own. But first, he’s going to need pants.

When the silent spacecraft arrived and took the light from the world, no one knew what to expect. When the Overlords finally showed themselves it was a shock but one that humankind could now cope with, and an era of peace, prosperity and endless leisure began. But the children of this utopia dream strange dreams of distant suns and alien planets, and soon they will be ready to join the Overmind...and, in a grand and thrilling metaphysical climax, leave Earth behind.

The Phage War had been a devastating conflict for the Terran Confederacy. Even with the destruction of their terrifying, implacable foe, humanity is still reeling. Political alliances are crumbling, and their mighty fleet is in tatters. There is nothing to celebrate, even after such a complete victory. They soon learn that there are other stellar neighbors - and they've been watching the conflict with great interest. One species comes with an offer of friendship and alliance, but humanity is weary and distrustful.

When Michael Moorcock began chronicling the adventures of the albino sorcerer Elric, last king of decadent Melniboné, and his sentient vampiric sword, Stormbringer, he set out to create a new kind of fantasy adventure, one that broke with tradition and reflected a more up-to-date sophistication of theme and style. The result was a bold and unique hero: a rock-and-roll antihero who would channel all the violent excesses of the '60s into one enduring archetype.

At first, only a few things are known about the celestial object that astronomers dub Rama. It is huge, weighing more than ten trillion tons. And it is hurtling through the solar system at inconceivable speed. Then a space probe confirms the unthinkable: Rama is no natural object. It is, incredibly, an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind's first encounter with alien intelligence.

Humanity has colonized the planets - interstellar travel is still beyond our reach, but the solar system has become a dense network of colonies. But there are tensions - the mineral-rich outer planets resent their dependence on Earth and Mars and the political and military clout they wield over the Belt and beyond. Now, when Captain Jim Holden's ice miner stumbles across a derelict, abandoned ship, he uncovers a secret that threatens to throw the entire system into war.

His code name is Mr Clark. And his work for the CIA is brilliant, cold-blooded, and efficient...but who is he really? In a harrowing tour de force, Tom Clancy shows how an ordinary man named John Kelly crossed the lines of justice and morality - to become the CIA legend, Mr Clark.

This is an unforgettable journey into the heart of darkness. Without mercy. Without guilt. Without remorse.

The Mote In God's Eye is their acknowledged masterpiece, an epic novel of mankind's first encounter with alien life that transcends the genre. No lesser an authority than Robert A. Heinlein called it "possibly the finest science fiction novel I have ever read".