1885, the North West Frontier. Rudyard Kipling is witness to a British army action to repress a local uprising. And to a terrifying intervention by a squadron of tanks from 2137. Before the full impact of this extraordinary event has even begun to sink in Kipling, his friends and the tanks are, themselves flung back to the 4th century and the midst of Alexander the Great’s army. Mankind’s time odyssey has begun. It is a journey that will see Alexander avoid his premature death and carve out an Empire that expands from Carthage to China. And it will present mankind with two devastating truths. Aliens are amongst us and have been manipulating our past and our future. And that future extends only as far as 2137 for that is the date Earth will be destroyed. This is SF that spans countless centuries and carries cutting edge ideas on time travel and alien intervention. It shows two of the genre's masters at their groundbreaking best.

When an enigmatic monolith is found buried on the moon, scientists are amazed to discover that it's at least 3 million years old. Even more amazing, after it's unearthed the artifact releases a powerful signal aimed at Saturn. What sort of alarm has been triggered? To find out, a manned spacecraft, the Discovery, is sent to investigate. Its crew is highly trained--the best--and they are assisted by a self-aware computer, the ultra-capable HAL 9000. But HAL's programming has been patterned after the human mind a little too well. He is capable of guilt, neurosis, even murder, and he controls every single one of Discovery's components. The crew must overthrow this digital psychotic if they hope to make their rendezvous with the entities that are responsible not just for the monolith, but maybe even for human civilization...

Men had built cities before, but never such a city as Diaspar; for millennia its protective dome shutout the creeping decay and danger of the world outside. Once, it held powers that rules the stars. But then, as legend had it, the Invaders came, driving humanity into this last refuge. It takes one man, a Unique to break through Diaspar’s stifling inertia, to smash the legend and discover the true nature of the Invaders.

Nebula Best Novel winner (1974) Hugo Best Novel winner (1974) 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 an interstellar spacecraft. Space explorers and planet-bound scientists alike prepare for mankind’s first encounter with alien intelligence. It will kindle their wildest dreams… and fan their darkest fears. For no one knows who the Ramans are or why they have come. And now the moment of rendezvous awaits—just behind a Raman airlock door.

In 2061, Heywood Floyd must once again confront Dave Bowman, a newly independent HAL, and the limitless power of an unseen alien race that has decided that Mankind is to play a role in the evolution of the galaxy--whether it wants to or not. Continuing the spellbinding excitement begun in "2001: A Space Odyssey"...

Hugo Best Short Story winner (1956)

Returned to the Earth of 2037 by the Firstborn, mysterious beings of almost limitless technological prowess, Bisesa Dutt is haunted by the memories of her five years spent on the strange alternate Earth called Mir, a jigsaw-puzzle world made up of lands and people cut out of different eras of Earth’s history. Why did the Firstborn create Mir? Why was Bisesa taken there and then brought back on the day after her original disappearance? Bisesa’s questions receive a chilling answer when scientists discover an anomaly in the sun’s core-an anomaly that has no natural cause is evidence of alien intervention over two thousand years before. Now plans set in motion millennia ago by inscrutable watchers light-years away are coming to fruition in a sunstorm designed to scour the Earth of all life in a bombardment of deadly radiation. Thus commences a furious race against a ticking solar time bomb. But even now, as apocalypse looms, cooperation is not easy for the peoples and nations of the Earth. Religious and political differences threaten to undermine every effort. And all the while, the Firstborn are watching …

This sequel to "2001: A Space Odyssey" answers the questions left by its predecessor. Captain Chandler investigates the lapse in HAL's sanity and the disappearance of Dave Bowman...

One thousand years after the Jupiter mission to explore the mysterious Monolith had been destroyed, after Dave Bowman was transformed into the Star Child, Frank Poole drifted in space, frozen and forgotten, leaving the supercomputer HAL inoperable. But now Poole has returned to life, awakening in a world far different from the one he left behind--and just as the Monolith may be stirring once again...