George and Lori discover the tiny bottled city of Shandar hidden deep underground for centuries. They must find a way to stop a death squad sent to destroy it and restore power to the city before it uncontrollably expands to its normal size annihilating itself and everything around it.

Visser Four has found the Time Matrix, the machine Elfangor had hidden, and he plans to use it to become Visser One.

While backpacking in the desert, thirteen-year-old Mark falls into a tube of blue light and is transported into a more primitive world, where he must use his knowledge and skills to survive.

"The year is 2312. Scientific and technological advances have opened gateways to an extraordinary future. Earth is no longer humanity's only home; new habitats have been created throughout the solar system on moons, planets, and in between. But in this year, 2312, a sequence of events will force humanity to confront its past, its present, and its future. The first event takes place on Mercury, on the city of Terminator, itself a miracle of engineering...

In a near future where a paranoid America has sealed itself off from the rest of the world by a vast and complicated defense system, a young Russian scientist infiltrates all defenses to tell an almost unbelievable and truly terrifying story. At the outer reaches of the solar system, near Pluto, has been detected a superior form of intelligent life, far smarter than man and in possession of technology that makes it immune to attack from human weaponry...

Mori and her friends live a normal life on Firefly Lane in Old Harmonie, a utopian community where every kid knows he or she is genetically engineered to be better and smarter, but when a strangely perfect new girl named Ilana moves in, the friends begin to question the only world they have ever known.

In the twenty-fifth century, humankind has spread throughout the galaxy, monitored by the watchful eye of the U.N. While divisions in race, religion, and class still exist, advances in technology have redefined life itself. Now, assuming one can afford the expensive procedure, a person's consciousness can be stored in a cortical stack at the base of the brain and easily downloaded into a new body (or "sleeve") making death nothing more than a minor...

An adventure novel in a world where humans have given animals the power to think and talk. The action centers on a spaceship crewed by both.

In "The Cruel Equations," a planetary explorer finds out how lethal it can be when a robot guard has been designed to do too perfect a job. The fifteen other stories in this collection are "Can You Feel Anything When I Do This?", "Cordle to Onion to Carrot," "The Petrified World," "Game: First Schematic," "Doctor Zombie and His Little Furry Friends," "The Same to You Doubled," "Starting From Scratch," "The Mnemone," "Tripout," "Notes on the Perception...

***Winner of The Prometheus Award*** Who is Richard Jarrow? Is he the unassuming, mild-mannered teacher he thinks himself to be or something much more? And how does the brilliant scientist named Ashling fit into the picture? The Multiplex Man (winner of The Prometheus Award) is an intriguing thriller set in a future where every aspect of life on Earth is micromanaged by authorities who consider any deviation from the proscribed path as dangerous. Off-world...