Gregory Benford

In 1962, a young Californian scientist finds his experiments spoiled by mysterious interference. Gradually his investigations lead him to the shattering truth that scientists from the end of the century are using subatomic particles to send a message into the past to try and avert disaster.

Now in a new, revised edition, the fourth book of the Nebula Award-winning author's Galactic Center series is a classic tale of man's future and fate—and the greatest mystery from outer space that humanity has ever encountered.
Piloting an ancient starship, Killeen and the Bishop tribe escape the mech-ruled world of Snowglade. Seeking refuge on a far away planet, they discover vast wonders-an organic life-form as large as a world,...

After the events of Across the Sea of Suns, small groups of humans have settled on other star systems. However, there is a constant threat from the Mechs, a civilization of machines left over from other civilizations and evolved to see all biological civilization as unstable and dangerous. Great Sky River tells the story of the Bishop family, who fight for their very existence on the planet Snowglade, which has been taken over by the Mechs. The Bishops...

After an accident in a brilliant young physicist's most ambitious experiment, it appears: a wondrous sphere the size of a basketball, made of nothing known to science. Before long, it will be clear that this object has opened a vista on an entirely different universe, a newborn cosmos whose existence will rock this world and test one woman to the limit: the physicist who has ignited this thrilling adventure.

Only the author of the landmark novel

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A history professor finds that he is able to travel back to 1968, the year he was sixteen--here, he finds a slew of mentors with the same ability, including Robert Heinlein, Albert Einstein, and Philip K. Dick.

Reveals predictions made in "Popular Mechanics" magazine between 1903 and 1969 about what the future would hold! "Surrounded by wonders and a fast-evolving culture of innovation, it's just as chalenging today for us to imagine the next century as it must have been for our early 20th century colleagues to envision the fabled year 2000"--Page 6.

Isaac Asimov's renowned Foundation Trilogy pioneered many of the familiar themes of modern science fiction and shaped many of its best writers. With the permission and blessing of the Asimov estate, the epic saga left unfinished by the Grand Master himself now continues with this second masterful volume.

With Hari Seldon on trial for treason, the Galactic Empire's long-anticipated migration to Star's End is about to begin. But the mission's

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