The Earth had four fleets to fight the invading enemy. The first fleet valiantly protected earth, but it wasn’t enough. Three fleets would arrive soon and end the threat...but they never came through the wormhole. One ship escaped the massacre, fleeing deep into space while the rest of Earth’s defenses were destroyed. Only the barrier around the planet keeps the enemy from finishing what they started.

When you have to kill the same terrorist twice in one week there’s either something wrong with your world or something wrong with your skills - and there’s nothing wrong with Joe Ledger’s skills. And that’s both a good and a bad thing. It’s good because he’s a Baltimore detective who has just been secretly recruited by the government to lead a new task force created to deal with the problems that Homeland Security can’t handle....

In Level Five, the debut near-future thriller by Nebula Award winner William Ledbetter, AIs battle for dominance, and nanotechnology is on the loose. And all that stands in the way of the coming apocalypse is a starry-eyed inventor who dreams of building a revolutionary new spacecraft and an intelligence agency desk jockey faced with the impossible choice of saving her daughter - or saving the world.

In the summer of 1947, an unidentified object crashed in Roswell, New Mexico. There were no survivors. Now it's happened again. But this time, two creatures have emerged from the wreckage alive.

One of the most stunning abilities ever seen...has just been born into the eyes of a six-year-old girl. For one very special reason. Something is about to happen. Something unstoppable, and something terrible. An event that can do more than just change human history. But mankind has a secret. A little girl named Sarah. Afraid and alone, and under the care of an inexperienced social worker. A young woman about to discover that she will do anything to keep Sarah alive. Because there is much more to Sarah than meets the eye.

From the ruins of what used to be North America, a new nation was forged by survivors of the Fall. They called this new nation the Covenant, and two centuries later it is stronger than ever. The Moon people, descendants of lunar colonists who returned to Earth to rebuild it, rule with an iron fist to ensure their dominance over the original inhabitants, the English. For the Covenant is a nation where a chosen few prosper at the cost of everyone else.

Werewolves like you've never seen before. They don't howl at the moon, but they are deadly. Twelve men went missing. Six months later they awake from drug-induced stupors to find themselves locked in a lab. And on the night of a new moon, 11 of those men, possessed by new - and inhuman - powers, break out of their prison and race through the streets of Los Angeles until they disappear one by one into the night. Alpha Wolf, book one: Olento Research wants its experiments back. Its CEO, Mika Lenna, will tear every city apart until he has his werewolves imprisoned once again.

Attacked and injected with a drug that slows his metabolism to a fraction of normal, Martin James becomes an unwilling time traveler who hurtles through the years. His children grow up, his wife grows older, and his only hope is finding the people who injected him in the first place - not an easy task when one day for Martin lasts four years. And while Martin James strives to find a cure before everyone he loves is gone, others are uncertain if his journey can be stopped at all.

In 2157, a mysterious gas known as Variant spreads across the globe, killing or mutating most organic life. The surviving humans take refuge in an underground city, determined to return home. But after generations of failures and botched attempts, hope is beginning to dwindle. That is, until a young scientist makes a unique discovery, and everything changes. Suddenly, there's reason to hope again, and it rests within a group of genetically engineered children that are both human and Variant.

Raka Varoule is a second-rate investigative reporter, traveling between the 27 worlds of the Galactic Empire exposing minor scandals. His big break comes when he weasels his way onto the emperor’s personal star-cruiser to report live, across the galaxy, how the emperor is celebrating his birthday. When he exposes the biggest scandal in galactic history, he narrowly escapes with the help of a drug runner, a dominatrix, and a monkey wearing assless chaps. Together, they search for an escape from the empire, a barbarian world outside Imperial control. Then things get weird.

I Am Number Four: The Lost Files: Secret Histories is the second collection of action-packed novellas from Pittacus Lore. Initially published separately as digital originals, these three stories are now together in one volume.

Alex McKenna is the new Special Agent in Charge of the Chicago office of the Bureau of Preternatural Investigations - the division tasked with investigating crimes involving shades. Or vampires, as they're more widely known. Children have been going missing, and agents are routinely being slaughtered. It's up to McKenna, and some unlikely allies, to get to the bottom of the problem, and find the kids before it's too late.

There’s no doubt about it: These kids are nerds. Awkward, unpopular, uncool as uncool can be—and yet, there’s something about these “nerds” that nobody else knows. These dweebs are actually superspies who use their dorky skills to battle the evil Hyena and other villainous baddies.

Wounded Special Forces veteran Jim Chapel has been stuck behind a desk rather than out in the field, but medical technology has finally caught up with his ambitions. Coupled with his unstoppable determination, it will take him back to where he thrives: the thick of the action. Drafted into a new war, this time in our homeland, Chapel is tasked with hunting a group of escapees from a top-secret military compound - all extremely deadly, genetically modified killers - and unraveling the mystery behind their existence.

It's the mid-21st century. The oceans are rising, the world's population is growing, terrorist organizations are running rampant, and it has become readily apparent that humanity's destructive nature is at the heart of the matter. When all faith in humanity seems lost, a startling proposal is announced: Solomon Chavez, the mysterious son of the world's first trillionaire, announces that he, backed by a consortium of governments and wealthy donors, will build an interstellar starship.

In the summer of 1947, an unidentified object crashed in Roswell, New Mexico. There were no survivors. Now it's happened again. But this time, two creatures have emerged from the wreckage alive.

Alex McKenna is the new Special Agent in Charge of the Chicago office of the Bureau of Preternatural Investigations - the division tasked with investigating crimes involving shades. Or vampires, as they're more widely known. Children have been going missing, and agents are routinely being slaughtered. It's up to McKenna, and some unlikely allies, to get to the bottom of the problem, and find the kids before it's too late.

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.

There is more in our world than you know. Deep in the darkness of a government building, one man needs to find the perfect solution to a vampire’s request that the government satisfy the debt of honor owed him. If he falls short, the failure will be paid in the blood of the military. He needs three uniquely qualified individuals. He can find only one. One woman, dying, might be the ace-in-the-hole he needs to appease the Vampire. But then, she might also be the one person needed to save humanity. If she is accepted, will she willingly change?

On June 30, 1908, an object fell from the sky, releasing more energy than a thousand Hiroshima bombs. A Siberian forest was flattened, but the strike left no significant crater. The anomaly came to be known as the Tunguska Event, and scientists have never agreed whether it was the largest meteor strike in recorded history - or something else. Alien artifacts have been uncovered since the 1908 event, and a new star drive is discovered.

Joey Harker isn't a hero. In fact, he's the kind of guy who gets lost in his own house. But then one day, Joey gets really lost. He walks straight out of his world and into another dimension. Joey's walk between the worlds makes him prey to two terrible forces: armies of magic and science who will do anything to harness his power to travel between dimensions.

When you have to kill the same terrorist twice in one week there’s either something wrong with your world or something wrong with your skills - and there’s nothing wrong with Joe Ledger’s skills. And that’s both a good and a bad thing. It’s good because he’s a Baltimore detective who has just been secretly recruited by the government to lead a new task force created to deal with the problems that Homeland Security can’t handle....

When out-of-shape IT technician Roen wakes up and starts hearing voices in his head, he naturally assumes he’s losing it. He isn’t. As of last night, he has a passenger in his brain - an ancient alien life-form called Tao, whose race crash-landed on Earth before the first fish crawled out of the oceans. Over the millennia his people have trained human heroes to be great leaders, to advance our species at a rate far beyond what it would have achieved on its own. Split into two opposing factions - the peace-loving, but under-represented Prophus, and the savage, powerful Genjix - the aliens have been in a state of civil war for centuries.

Government secrets are being sold, and the newly sworn in president of the United States already feels out of options. Without knowing the full scope of the scandal, the president decides to turn to the one person he knows he can trust - former FBI agent Elizabeth James. Her deep distrust of the system is rooted in her unfair discharge from service. Now she sees a chance to restore her reputation and send a message to those who would use their power to destroy others' lives.

Imagine a school in the year 2074 where students don't read history, but watch it happen around them; where running in gym class isn't around a track, but up a virtual mountain; and where learning about animals means becoming one through an avatar. Welcome to Cragbridge Hall, the most advanced and prestigious school in the world. Twins Abby and Derick Cragbridge are excited as new students to use their famed grandfather's inventions that make Cragbridge Hall so incredible.

Get the first three books in the Kid Sensation series. Like millions of other kids, Jim grew up wanting to be a superhero. Unlike most of his contemporaries, however, Jim actually had the goods: a plethora of super powers that would have been the envy of any meta on the planet. But when his tryout with the Alpha League - the world's premiere group of supers - goes disastrously wrong, Jim basically becomes an outcast.

Seventeen-year-old Ryn Whittaker is a Citadel: an elite, enhanced soldier specially chosen to guard a Rift, a mysterious and dangerous portal to alternate Earths scientists cannot control or close. Trained from the age of 14, Ryn can run faster, jump farther, and fight better than a Navy SEAL - which is good when you’re not sure if a laser-wielding Neanderthal or an axe-wielding Viking is trying to make it through the Rift and into your world. But the teenager’s military conditioning and education have not prepared her for the boy who crosses through.

The ultimate secret. The ultimate agent. The President's vampire. Zach Barrows is an ambitious young White House staffer whose career takes an unexpected turn when he's partnered with Nathaniel Cade, a secret agent sworn to protect the President. But Cade is no ordinary civil servant.

From Dan Wells, author of the New York Times best-selling Partials Sequence, comes the first book in a new sci-fi-noir series. Los Angeles in 2050 is a city of open doors, as long as you have the right connections. That connection is a djinni - a smart device implanted right in a person's head. In a world where virtually everyone is online 24 hours a day, this connection is like oxygen - and a world like that presents plenty of opportunities for someone who knows how to manipulate it.

Tragedy and heartache seem to be waiting for Drew Carter at every turn, but college offers Drew a chance to start over - until an accident during a physics experiment leaves him blind and his genius friend, Benjamin Berg, missing. As his sight miraculously returns, Drew discovers that the accident has heightened his neuron activity, giving him skills and sight beyond the normal man. When he begins to observe fierce invaders that no one else can see, he questions his own sanity, and so do others.