"Mr. Clark, may I have a few words with you?" "Do we know each other?" "Not yet," the man responded. "I'm Jack Goodman and I assure you that I mean you no harm. I do, however, want to ask for your help." There was something odd about the man; perhaps the eyes. Little did Alex Clark know that upon hearing those words, his life would change forever. Jack Goodman is a "Gardener" - a machine sent to Earth 50,000 years ago from a distant planet to tend to a new "crop" of humans. But his masters on Uor can't resist the temptation to tamper with social and political happenings on Earth. Now Alex...

Once again, the rivalry between Apollo of Helios and his twin brother, Ares, is spinning around Alex Clark. This time, the game turns deadly. Apollo has run afoul of the law on Uor, and Ares must capture or kill him in order to preserve the family's wealth and power. The conflict could have apocalyptic consequences on Earth as Ares tries to draw his brother from hiding. Each of the brothers controls a "Gardener," powerful quantum devices that have walked the Earth in human form for over fifty thousand years. These machines can command any computer on Earth, including nuclear weapons systems....

Alex Clark's honeymoon is interrupted by the re-emergence of Marcus Rogers and his evil band, The Seven Great Families. The group, with the help of a powerful alien nobleman - Ares of Helios - intend to depopulate the Earth and remake what remains in the image of Ares' home planet, Uor. But Ares' twin brother, Apollo, is determined to save both Earth and Uor from class-based dictatorships. Alex and Apollo are both caught in a race against the clock because Rogers has forced a group of noted scientists to develop an Uorian technology into a powerful weapon that will bring the leaders of Earth...

After a divorce and a career change, Alex Clark is finding some normalcy in his life when he meets a strange man who weaves a story of aliens "seeding" the human population of Earth. He draws Alex into a competition that could determine the survival of those humans.

Apollo of Helios and his twin brother, Ares -- wealthy noblemen on the distant planet of Uor -- have inherited the Earth from their father. The "Garden of Eden" -- the name they gave the planet thousands of years ago -- is tended by quantum androids that look like humans, but have incredible...