In the twenty-first century, a battered world is ruled by a crafty old tyrant, Genghis II Mao IV Khan. The Khan is ninety-three years old, his life systems sustained by the skill of Mordecai Shadrach, a brilliant young surgeon whose chief...
Vornan-19 fell from the sky, naked, and landed on the Spanish steps in Rome on Christmas afternoon toward the end of the Millennium. And for Leo Garfield things would never be the same. For he is an acknowledged expert in the time reversal...
The death-stars had come, and they had kept on coming for hundreds of thousands of years, falling upon the Earth, swept upon it by a vagrant star that had passed through the outer reaches of the solar system. They brought with them a time of...
The novel concerns a trio of alien explorers, each one surgically altered so that they outwardly appear human, who find themselves separated, and permanently stranded on Earth, after their ship explodes while hovering in low orbit. Each of the...
Imagine a future world where death is not exactly the end. You can record everything about you that ever made you a distinct human being and then be implanted in the mind of someone living.Paul Kaufmann had been the richest and most...
Simeon Krug has a vision — and the vast wealth necessary to turn dream into reality. What he wishes is to communicate with the stars, to answer signals from deep space. The colossal tower he’s constructing for this purpose soars above the...
Being a Time Courier was one of the best jobs Judson Daniel Elliott III ever had. It was tricky, though, taking group after group of tourists back to the same historic event without meeting yourself coming or going. Trickier still was avoiding...
Thousands of years into the future man has completely destroyed a technology-based society and lives a tribal existence, worshipping the 'brain'-cases of long-rusted robots. Here and there pockets of knowledge remain, and young Tom Cushing lives in...
A mysterious invisible barrier suddenly encloses a small, out-of-the-way American town. It's been put there by a galactic intelligence intent on imposing harmony and cooperation on the different peoples of the universe. But to the inhabitants, the...