The Battle of Serenity Valley was the turning point that led the Independents to their defeat at the hands of the Alliance. Yet the Browncoats had held the valley for weeks against all odds, before being ordered to lay down their arms. Command stated they refused to send in airpower because the ground war was "too hot". But the soldiers who were there insist that was not true.... While picking up a new cargo on Persephone, Captain Malcolm Reynolds is kidnapped by a bunch of embittered veteran Browncoats who suspect him of sabotaging the Independents during the war.

In a dark and dangerous future, the mutant-hunting machines known as the Sentinels rule America with an iron fist. Almost all mutants and superhumans have been exterminated. Only a handful of imprisoned mutants remain to fight against their oppressive robotic overseers! Now Kate Pryde, former X-Man, must travel back in time and warn her present-day teammates of the coming danger - and hopefully prevent this horrible future from ever taking place!

Long before Casmir Dabrowski and Kim Sato leave their world for the epic adventures of the Star Kingdom series, long before they outwit terrorists and mercenaries and do battle on a galactic scale, long before they become best friends and roommates...they have to meet for the first time. This is that story.

When an experiment to study quantum uncertainty goes spectacularly wrong, physics student Bill Rustad and his friends find that they have accidentally created an inter-dimensional portal. They connect to Outland - an alternate Earth with identical geology, but where humans never evolved. The group races to establish control of the portal before the government, the military, or evildoers can take it away. Then everything changes when the Yellowstone supervolcano erupts in an explosion large enough to destroy civilization and kill half the planet.

Betrayed by Earth's heroes and exiled into outer space, the man-monster known as the Incredible Hulk has landed on the distant planet Sakaar, ruled by the tyrannical Red King. Sold into slavery, the Hulk becomes the Green Scar, the planet's mightiest gladiator! But his new masters get more than they bargained for when he forges a bond of brotherhood with his fellow fighters: crafty insectoid Miek, the horrific Brood, wise rock-man Korg, Shadow Warrior Hiroim, noble-born rebel Elloe, and her loyal guardsman Skee. Together, these gladiators start a revolution.

The millions of people around the world who loved What If? still have questions, and those questions are getting stranger. Thank goodness xkcd creator Randall Munroe is here to help. Planning to ride a fire pole from the Moon back to Earth? The hardest part is sticking the landing. Hoping to cool the atmosphere by opening everyone’s freezer door at the same time? Maybe it’s time for a brief introduction to thermodynamics. Want to know what would happen if you rode a helicopter blade, made a lava lamp out of lava, or jumped on an erupting geyser? Okay, if you insist.

Stephen Leeds, AKA 'Legion,' is a man whose unique mental condition allows him to generate a multitude of personae: hallucinatory entities with a wide variety of personal characteristics and a vast array of highly specialized skills. As the story begins, Leeds and his 'aspects' are drawn into the search for the missing Balubal Razon, inventor of a camera whose astonishing properties could alter our understanding of human history and change the very structure of society.

That's the question that has haunted 14-year-old Ezekiel Blast all his life. But he's not a thief, he just has a talent for finding things. Not a superpower - a micropower. Because what good is finding lost bicycles and hair scrunchies, especially when you return them to their owners and everyone thinks you must have stolen them in the first place? If only there were some way to use Ezekiel's micropower for good, to turn a curse into a blessing. His friend Beth thinks there must be, and so does a police detective investigating the disappearance of a little girl.

It’s the autumn of 1890, and a spate of bombings has hit London. The newspapers are full of fevered speculation about anarchists, antimonarchists and Fenians. But one man suspects an even more sinister hand behind the violence. Sherlock Holmes believes Professor Moriarty is orchestrating a nationwide campaign of terror, but to what end? At the same time, a bizarrely garbed figure has been spotted on the rooftops and in the grimy back alleys of the capital.

After dying and being reborn into a world that's built like a video game, Jim has found himself stuck in a very old-world style new-player zone for low-level adventurers. Unfortunately, the zone fell out of use centuries ago, and no one told the monsters they were supposed to take it easy on the Noobs. Even worse, the only new player around is Jim. Jim has been given an opportunity, and he'll do his best to take advantage of it.

Centuries ago, the murder of a beloved king tore apart the Kingdom of Caledun. The land was plunged into chaos and thousands perished. A new order was established in an attempt to return Caledun to its former glory. It failed, but in its place rose the beginnings of the Code. During this same period, the mystical caretakers of the Great Wood retreated from the world of Kal Maran, their disappearance an ominous harbinger of the suffering that was to follow. The Great Wood now grows out of control. Cities, towns, and villages have fallen before the relentless march of the forest.

A shape-shifting trickster on a quest for eternal life, Monkey King is one of the most memorable superheroes in world literature. High-spirited and omni-talented, he amasses dazzling weapons and skills on his journey to immortality: a gold-hooped staff that can grow as tall as the sky and shrink to the size of a needle; the ability to travel 108,000 miles in a single somersault. A master of subterfuge, he can transform himself into whomever or whatever he chooses and turn each of his body's 84,000 hairs into an army of clones.

After two brutal, bloody struggles for their very existence against implacable alien foes, humanity is victorious, but not at peace. As distrust and accusations consume the political discourse between the two major factions, the Eastern Star Alliance military has already begun executing small raiding missions into United Terran Federation space. The Federation fleet, still reeling from the last war, is in no shape to try and protect its own borders.

It’s not easy making the career jump from office-supplies-store middle manager to heroic interdimensional adventurer. At least, Jason tries to be heroic, but it's hard to be good when all your powers are evil. He’ll face off against cannibals, cultists, wizards, monsters...and that’s just on the first day. He’s going to need courage, he’s going to need wit, and he’s going to need some magic powers of his own. But first, he’s going to need pants.

Geralt of Rivia is a witcher. A cunning sorcerer. A merciless assassin. And a cold-blooded killer. His sole purpose: to destroy the monsters that plague the world. But not everything monstrous-looking is evil, and not everything fair is good...and in every fairy tale there is a grain of truth.

Simon Kovalic, top intelligence operative for the Commonwealth of Independent Systems, is on the front line of the burgeoning Cold War with the aggressive Illyrican Empire. He barely escapes his latest mission with a broken arm and vital intel that points to the empire cozying up to the Bayern Corporation: a planet-sized bank. There’s no time to waste, but with Kovalic out of action, his undercover team is handed over to his ex-wife, Lt. Commander Natalie Taylor.

The Keiko is a ship of smugglers, soldiers of fortune and adventurers, travelling Earth's colony planets, searching for the next job. And nobody talks about their past. But when a face from Captain Ichabod Drift's former life sends them on a run to Old Earth, all the rules change. Trust will be broken, and blood will be spilled.

Stella Ainsley leaves poverty behind when she quits her engineering job aboard the Stalwart to become a governess on a private ship. On the Rochester, there’s no water ration, more books than one person could devour in a lifetime, and an AI who seems more friend than robot. But no one warned Stella that the ship seems to be haunted, nor that it may be involved in a conspiracy that could topple the entire interstellar fleet.

Evil is most assuredly afoot - and Britain’s fate rests in the hands of an alluring renegade... and a librarian. These are dark days indeed in Victoria’s England. Londoners are vanishing, then reappearing, washing up as corpses on the banks of the Thames, drained of blood and bone. Yet the Ministry of Peculiar Occurrences - the Crown’s clandestine organization whose bailiwick is the strange and unsettling - will not allow its agents to investigate. Fearless and exceedingly lovely Eliza D. Braun, however, with her disturbing fondness for dynamite, refuses to let the matter rest...

Centuries in the past, mankind fought a seemingly unbeatable adversary from sector to sector across the Spiral Arm until the war ground to a standstill and the Enemy withdrew. Believing that they had won, the citizens of the galaxy rebuilt. The Inner Worlds, which had escaped the worst of the war's ravages, became even more insular, while the Rim worlds adopted a free and easy way with law and order. Now, hundreds of years after their withdrawal, the Enemy is back - and this time they'll be satisfied with nothing less than the extinction of the galaxy.

Convicted criminal James Griffin-Mars is no one's hero. In his time, Earth is a toxic, abandoned world, and humans have fled into the outer solar system to survive, eking out a fragile, doomed existence among the other planets and their moons. Those responsible for delaying humanity's demise believe time travel holds the key, and they have identified James, troubled though he is, as one of a select and expendable few ideally suited for the most dangerous job in history.

Mankind was beginning its third leap into the Galaxy, but Old Earth had so long kept to herself that her people were unable to travel safely among the rough-and-tumble cultures that had evolved on distant worlds. That annoyed Earth's rulers, for Hobart Floyt--a minor Terran bureaucrat-- had been left a mysterious inheritance by the deceased ruler of a small but wealthy interstellar empire.

Never meddle with unidentified spying objects...The year is: The Future. Mars and Earth are like that divorced couple who don’t exactly like each other but have at least stopped fighting in public. Floating somewhere in between them, amid all the garbage and Gene Roddenberry’s ashes, a transport vessel called the SS Jefferson is homeward bound. Its crew might have even made it on time for once, too...

Cities all around the world reported strange alien vessels descending. Some saw them as the heralds of a new age; others fired everything they had at them. All were taken as the beams lashed down and drew them into the sky. Dean was left behind, seemingly the last man on Earth. A trail of clues left by his dead wife guides Dean on a perilous journey across America and beyond to learn the truth behind the mysterious ships and save humanity from its doom.

Humankind has escaped a dying Earth and set out to find a new home among the stars aboard an immense generation ship affectionately named the Ark. Bryan Benson is the Ark's greatest living sports hero, enjoying retirement working as a detective in Avalon, his home module. The hours are good, the work is easy, and the perks can't be beat. But when a crew member goes missing, Bryan is thrust into the center of an ever-expanding web of deception, secrets, and violence.

History is rewritten in an instant as the future smashes into the past, and high-tech hardware goes head to head with World War Two technology. In the chaos that ensues, thousands are killed, but the maelstrom has only just begun. The veterans of Pearl Harbor have never seen a helicopter, or a cruise missile - let alone nanotechnology, ceramic bullets, and F22 Raptor stealth jetfighters. Allied and Axis forces are then caught in a desperate struggle to gain the upper hand.

The world had become used to the metahumans - people sometimes perfectly ordinary, but sometimes quite extraordinary in appearance - who mostly worked with their governments as high-powered peace officers, fighting crime, and sometimes fighting rogue metahumans who had become super-criminals. Then that comfortable world ended in just one terrifying day.

Solara Brooks needs a fresh start, someplace where nobody cares about the engine grease beneath her fingernails or the felony tattoos across her knuckles. The outer realm may be lawless, but it's not like the law has ever been on her side. Still, off-world travel doesn't come cheap; Solara is left with no choice but to indenture herself in exchange for passage to the outer realm.

Evan Gabriel wasn't always a feared and respected North American Federation Navy Commander. Before dangerous missions to the ice-bound planet of Poliahu, the deadly jungle world of Eden, and politically corrupt Mars, he was a simple recruit, fighting to make his mark in the elite Naval Special Forces…and was part of a top-secret military experiment that would change his life forever. Zero Point tells the tale of a young man faced with difficult choices and dangerous trials.

Rose McKenzie may be far from Earth with no way back, but she's made a powerful ally - a fellow prisoner with whom she's formed a strong bond. Sazo's an artificial intelligence. He's saved her from captivity and torture, but he's also put her in the middle of a conflict, leaving Rose with her loyalties divided. Captain Dav Jallan doesn't know why he and his crew have stumbled across an almost legendary Class 5 battleship, but he's not going to complain. The only problem is, all its crew are dead - all except for one strange, new alien being.

The Battle of Serenity Valley was the turning point that led the Independents to their defeat at the hands of the Alliance. Yet the Browncoats had held the valley for weeks against all odds, before being ordered to lay down their arms. Command stated they refused to send in airpower because the ground war was "too hot". But the soldiers who were there insist that was not true.... While picking up a new cargo on Persephone, Captain Malcolm Reynolds is kidnapped by a bunch of embittered veteran Browncoats who suspect him of sabotaging the Independents during the war.

Firefly's early demise left fans with a deep sense of loss and plenty of unanswered questions. From what was wrong with the pilot to what was right with the Reavers, from the use of Chinese to how correspondence between Joss and network executives might have gone, from a philosopher's perspective on "Objects in Space" to a sex therapist's analysis of Inara, Finding Serenity is filled with writing as exciting, funny, and enthralling as the show itself.

When you're a time trader - someone with a ship that can hop sideways across the millions of alternate timelines - the big money isn't in technology or science, it's in entertainment. There are some universes where George Lucas didn't die on the set of American Graffiti but instead went on to make a space fantasy classic. In other universes there's a movie called "Dune" by Jodorowsky. And in some there's a guy named Tolkien who wrote a sequel to "The Hobbit". Ask any timetrader and he'll tell you: put three things together - buyer, seller, and product - and that's where the magic happens. ...

When an experimental shuttlecraft fails, Captain Christopher Pike suspects a mechanical malfunction—only to discover the very principles on which Starfleet bases its technology have simply stopped functioning. He and his crewmates are forced to abandon ship in a dangerous maneuver that scatters their party across the strangest new world they’ve ever encountered.

It is an age of exploration. Jedi travel the galaxy, expanding their understanding of the Force and all the worlds and beings connected by it. Meanwhile, the Republic, led by its two chancellors, works to unite worlds in an ever-growing community among near and distant stars. On the close-orbiting planets of Eiram and E’ronoh, the growing pains of a galaxy with limited resources but unlimited ambition are felt keenly. The two worlds’ hatred for each other has fueled half a decade of escalating conflict and now threatens to consume surrounding systems.