In "The Variable Man", Earth (The Terran System) is in a cold war with the older, corrupt Centaurian System, which suppresses Terra from exploring space and expanding its borders. When a devastating new weapon called Icarus is developed by Terra, everyone expects the odds to tip in Terra's favor. But the computers calculating these odds find an unknown variable that throws off the odds. A time traveler from 1913 known as Thomas Cole has arrived. Can this variable man from the past rescue mankind from a catastrophic future?

UN forces have retreated to a moon base in the aftermath of early Soviet victories in a nuclear conflict. In response, the UN forces developed special robots, called "Claws", which feature spinning blades and rudimentary artificial intelligence. Six years later, the Soviet leadership asks for negotiations to end the war. A UN officer travels back to earth to discover that not only have the Claws learned to replicate themselves, they have also created a much deadlier cyborg that threatens humanity itself.

In 2203 anyone can become the ruler of the solar system. There are no elections, no interviews, no prerequisites whatsoever - it all comes down to the random turns of a giant wheel. But when a new Quizmaster takes over, the old one still keeps some rights, namely the right to hire an unending stream of assassins to attempt to kill the new leader. In the wake of the most recent change in leadership, employees of the former ruler scurry to find an assassin who can get past telepathic guards.

Substance D - otherwise known as Death - is the most dangerous drug ever to find its way on to the black market. It destroys the links between the brain's two hemispheres, leading first to disorentation and then to complete and irreversible brain damage. Bob Arctor, undercover narcotics agent, is trying to find a lead to the source of supply, but to pass as an addict he must become a user, and soon, without knowing what is happening to him, he is as dependent as any of the addicts he is monitoring.

Following an inexplicable urge, Ted Barton returns to his idyllic Virginia hometown for a vacation, but when he gets there, he is shocked to discover that the town has utterly changed. The stores and houses are all different and he doesn't recognize anybody. The mystery deepens when he checks the town's historical records...and reads that he died nearly twenty years earlier.

Glen Runciter runs a lucrative business - deploying his teams of anti-psychics to corporate clients who want privacy and security from psychic spies. But when he and his top team are ambushed by a rival, he is gravely injured and placed in "half-life," a dreamlike state of suspended animation. Soon, though, the surviving members of the team begin experiencing some strange phenomena, such as Runciter's face appearing on coins and the world seeming to move backward in time.

Delmak-O is a dangerous planet. Though there are only 14 citizens, no one can trust anyone else and death can strike at any moment. The planet is vast and largely unexplored, populated mostly by gelatinous cube-shaped beings that give cryptic advice in the form of anagrams. Deities can be spoken to directly via a series of prayer amplifiers and transmitters, but they may not be happy about it. And the mysterious building in the distance draws all the colonists to it, but when they get there each sees a different motto on the front.

Space travel has been abandoned in the 22nd century. It is deemed too dangerous, expensive, and inconvenient - and now the all-powerful Fishhook company holds the monopoly on interstellar exploration for commercial gain. Their secret is the use of "parries", human beings with the remarkable telepathic ability to expand their minds throughout the universe.

Serving aboard the Ananke, an experimental military spacecraft launched by the ruthless organization that rules Earth and its solar system, computer scientist Althea has established an intense emotional bond - not with any of her crewmates, but with the ship's electronic systems, which speak more deeply to her analytical mind than human feelings do. But when a pair of fugitive terrorists gain access to the Ananke, Althea must draw upon her heart and soul for the strength to defend her beloved ship.

Britain in 2075 is a dangerous place. A man known only as the Governor rules the country with an iron hand, but within the towering perimeter walls of London Greater Urban Area anarchy spreads unchecked through the streets. In the abandoned London Underground station of St. Cannerwells, a group of misfits calling themselves the Tube Riders seek to forget the chaos by playing a dangerous game with trains.

In this sixth and concluding book of the Tunnels series, the Styx and their cohorts of deadly Armagi have swept across England, leaving death and devastation in their wake. It seems nothing can stop them now. Only a miracle can save the day and, in the inner world at the centre of the earth, Will and Elliott might just have stumbled upon one as they uncover ancient secrets that are fundamental to all human and Styx life.

If you’ve done six impossible things this morning, why not round it off with breakfast at Milliways, the Restaurant at the End of the Universe? Which is exactly what the crew of the Heart of Gold plan to do. There’s just the small matter of escaping the Vogons, avoiding being taken to the most totally evil world in the Galaxy and teaching a space ship how to make a proper cup of tea. And did anyone actually make a reservation?

The war raged across the galaxy. Billions had died, billions more were doomed. Moons, planets, the very stars themselves, faced destruction - cold-blooded, brutal, and worse, random. The Idirans fought for their Faith; the Culture for its moral right to exist. Principles were at stake. There could be no surrender. Within the cosmic conflict, an individual crusade....

Welcome to the astounding world of Predator Cities! Emerging from its hiding place in the hills, the great Traction City is chasing a terrified little town across the wastelands. Soon, London will feed. In the attack, Tom Natsworthy is flung from the speeding city with a murderous scar-faced girl. They must run for their lives through the wreckage - and face a terrifying new weapon that threatens the future of the world.

In an ocean of weightless air where sunlight has never been seen, only the running lights of the city of Pacquaea glitter in the dark. One woman, Leal Hieronyma Maspeth, history tutor and dreamer, lives and dreams of love among the gaslit streets and cafes. And somewhere in the abyss of wind and twisted cloud through which Pacquaea eternally falls, a great voice has begun speaking.