Alex Hawk spent a decade trying to return from Kragdon-ah. Now he is safely back in the 21st century with daughters Amy and Sanda and his loyal, giant dog. All is peaceful and good, until 10 years later, Alex hears an incredible commotion in the basement where the door into time still stands safely behind a brick wall. The wall has fallen. A giant warrior has stepped through and uttered four words in a language Alex has almost forgotten: "Manta-ak! We need you!" 

From early work like "Rescue Party" and "The Lion of Comarre", through classic stories including "The Star", "Earthlight", "The Nine Billion Names of God", and "The Sentinel" (kernel of the later novel and movie 2001: A Space Odyssey), all the way to later work like "A Meeting with Medusa" and "The Hammer of God", this comprehensive short story collection encapsulates one of the great science fiction careers of all time.

They call him Kradak, but his friends call him Steve. He's big and strong, an actor who plays a hero named Kradak in a series of B-movies. When Rista and Grint come through the portal from Arkana, they don't understand what a movie is. They think Steve truly is Kradak the Champion. They kidnap him and take him back to Arkana to help them save their world. Once they discover the truth, it is too late. The portal is closed. Steve needs to become a hero. The fate of two worlds hangs in the balance. 

Sergeant Gastovsky - Gas to everyone but his superior officers - never wanted to be a soldier. Far from it. But when a con goes wrong and he needs a place to lay low for a while, he finds himself wearing the power armor of the augmented infantry. After three years on a six-year contract, Gas has found his groove running low-level cons and various illegal activities that make him good money on the side. He’s the guy who can get you what you need. But he’s always had his eye out for a big score - the one that might set him up for life after the military.

Crazy has no memory and feels no fear. Dangerous and unpredictable, he's locked away in SafeHaven, a psychiatric hospital, where he spends the long days watching Wheel of Fortune and wondering what the outside world smells like. When a mysterious visitor arrives and offers him a way out Crazy doesn't hesitate to accept.

When Micajah Fenton discovers a crater in his front yard with a broken time glider in the bottom and a naked, virtual woman on his lawn, he delays his plans to kill himself. While helping repair the marooned time traveler's glider, Cager realizes it can return him to his past to correct a mistake that had haunted him his entire life. As payment for his help, the virtual creature living in the circuitry of the marooned glider, sends Cager back in time as his 10-year-old self.

Jeff Dolan always wanted to be an astronaut. After helping a private space company build a ship that can travel to Saturn's largest moon in five months, he gets his chance. Shortly after launch, a devastating malfunction forces Jeff and the crew to make a choice: continue to Titan or go back home. As the truth about their mission unravels, one thing is clear: Someone on Earth knew about the system flaw and covered it up. Yet surviving the journey isn't the crew's only concern. Even if they make it to Titan, they will face another problem: Something is already there.

My name is Alphonse Malloy, and I see everything. From a simple glance, I know your hobbies, what you ate for breakfast, how well you slept, and whether or not your wife is secretly seeing the high school biology teacher when you're not around. I can't explain how or why I get these feelings, only that I know they're true. All the little secrets you're too afraid to tell. Sometimes, that means helping people. Other times, it means staring down the barrel of a loaded gun. I wish I could tell you I was using this ability for good.

All Thomas Weaver wanted was death. What he got was time travel. Thomas Weaver, haunted by a teenage tragedy, lived a wasted life. He closed his eyes for what he believed was the last time in 2016, but opened them again in his teenage bedroom and body in 1976. Now a middle-aged man in his teenage body, he sets out to fix everything he did wrong in his first life. A budding serial killer in home room, a possible new romance, and high school algebra complicate his plans. What would you do, if you could do it all again?

Mysterious gateways are appearing throughout the universe, bridging violent civilizations, leading to war, and sowing chaos. While some species succumb to the pandemonium, the Chut’un forge an unholy symbiotic relationship—The Order—with red Europhids, a vast hive intelligence populating the universe’s far reaches. Desiring structure and fearing the unknown, they cull everything opposed to their plan, including the Europhids’ blue counterparts, carrying out a galactic genocide until only one blue Europhid remains...inside Moses Montgomery, a.k.a. "Dark Horse".

Still haunted by the disappearance of his little sister, Amy, over 20 years ago, Joseph Bridgeman’s life has fallen apart. When a friend talks him into seeing hypnotherapist Alexia Finch to help with his insomnia, Joseph accidentally discovers he can time travel. His first trip only takes him back a few minutes, but his new-found ability gives him something he hasn’t felt for the longest time: hope.

Jack Kernigan is having a bad day...a bad year...a bad life. After being booted out of MIT, he’s back in his Ohio hometown, working for the family business, facing a life of mediocrity. Then one day, out on a delivery, his truck hits...something. Something big...something furry...something invisible. And, it turns out, something not of this Earth. Fate can play funny tricks. Which is why Jack suddenly finds himself the planet’s best hope to unravel a conspiracy of galactic proportions that could spell the end of the human race. 

Stranded on the distant planet Tschai, young Adam Reith is the sole survivor of a space mission who discovers the world is inhabited - not only by warring alien cultures but by human slaves as well, taken early in Earth's history. Reith must find a way off the planet to warn Earth of Tschai's deadly existence.

It started as a routine Miami to Charlotte flight for the passengers, crew, and Federal Air Marshal Stephen Mason. But a freak storm over the Atlantic propels the airliner unexplainably back in time to the early 18th century.

Jon Ryan is irreverent, cocky, funny, and walks with a swagger. The cocky fighter pilot turned astronaut is also Earth's only chance for survival. The planet Jupiter, thrown off orbit, will destroy Earth in less than a century. Jon volunteers for the most ambitious, desperate mission ever conceived: His consciousness must be transferred into an experimental android host, where he'll live an immortal - and lonely - life. Jon's only companion on his 50-year voyage is his ship's irritable AI.

Alex Hawk spent a decade trying to return from Kragdon-ah. Now he is safely back in the 21st century with daughters Amy and Sanda and his loyal, giant dog. All is peaceful and good, until 10 years later, Alex hears an incredible commotion in the basement where the door into time still stands safely behind a brick wall. The wall has fallen. A giant warrior has stepped through and uttered four words in a language Alex has almost forgotten: "Manta-ak! We need you!" 

Since time immemorial, humans have worshipped the gods they call Fhrey, truly a race apart: invincible in battle, masters of magic, and seemingly immortal. But when a god falls to a human blade, the balance of power between humans and those they thought were gods changes forever. Now only a few stand between humankind and annihilation: Raithe, reluctant to embrace his destiny as the God Killer. Suri, a young seer burdened by signs of impending doom. And Persephone, who must overcome personal tragedy to lead her people.

The Sun People are bound by an ancient law, left by the long-vanished Sky People: They must never kill. To other tribes, who have no such law, the Sun People are easy prey who will not defend themselves. Their game is poached, their stores raided, their women abducted, their men are killed for sport. But when Raging River and her sister are attacked by a Wolf People raiding party, River fights back and kills one of the warriors. Worse, she has killed the son of their chief.

Newly and uneasily allied, two tribes from different worlds set off across the Ocean of Grass. Their mission is to fulfil a prophecy and take Ottar the Moaner west of west, to save mankind. In their way are the denizens of the Badlands, the most terrifying and powerful collection of murderers and monsters the world has ever seen.

Abandoned at birth and raised to be an assassin by the mysterious Diyu Brotherhood, Danzen has had enough of the life of a contract killer. But escaping his past is as impossible as running from his inner demons....In the remote and mystical Suja Valley, the farthest corner of the known world, it’s only a matter of time before trouble comes hunting him...or he spills a drop of his own blood.