When the National Security Agency’s invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls its head cryptographer, Susan Fletcher, a brilliant, beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage…not by guns or bombs but by a code so complex that if released would cripple U.S. intelligence. Caught in an accelerating tempest of secrecy and lies, Fletcher battles to save the agency she believes in.

In Wyoming, a little girl reads people’s darkest secrets. In New York, a man sensing patterns in the stock market racks up $300 billion. In Chicago, a woman can go invisible. They’re called "brilliants," and since 1980, one percent of people have been born this way. Nick Cooper is among them; a federal agent, Cooper has gifts rendering him exceptional at hunting terrorists. His latest target may be the most dangerous man alive, a brilliant drenched in blood and intent on provoking civil war. But to catch him, Cooper will have to violate everything he believes in.

Particle physicist Jon Grady is ecstatic when his team achieves what they've been working toward for years: A device that can reflect gravity. Their research will revolutionize the field of physics - the crowning achievement of a career. Grady expects widespread acclaim for his entire team. The Nobel Prize. Instead, his lab is locked down by a shadowy organization whose mission is to prevent at all costs the social upheaval sudden technological advances bring.

He invented a machine to take people to the future. Then he was accused of murder, but he can't remember killing anyone. Billionaire genius Byron Gaines is accused of murdering his wife and her lover, but he swears he didn't do it. This couldn't have come at a worse moment: He is so close to a breakthrough in his research. He's about to invent a device that will change the world forever. The irony is, if only he had a little more time, he'd be able to make his legal problems disappear - along with himself.

After decades hunting wanted offworlders throughout the solar system, Corporate Bounty Hunter Malcolm Graves doesn't bother asking questions. So long as the pay is right, he's the man for the job. And he always works alone. But when a high-profile bombing on Earth has Pervenio Corp clamoring for answers, they force him to team up with a strange, cyber-augmented partner. A young man more interested in statistics than instinct. Their assignment: Track down a suspected group of extremists from Titan who will go to any length to free their moon from the grip of Earth's corporations.

Jon Reznick is a “ghost”: a black-ops specialist who takes his orders from shadowy handlers, and his salary from the US government. Still mourning the loss of his beloved wife on 9/11, he’s dispatched to carry out a high-level hit. Reznick knows only that it must look like suicide. It’s textbook. But the target is not the man Reznick expected. The whole setup is wrong.

Fantasy. Sci-fi. The world was brought back from the brink of annihilation, but its still-new institutions are rattled once again as heroes and criminals clash in a neon-drenched cyberpunk metropolis.

When she first agreed to lead the research team of the Niantic Project, Dr. Devra Bogdanovich knew she was headed into the unknown. What she never could have imagined is where her dangerous, and potentially world-changing, exploration of Exotic Matter would lead her.

Astronomer and TV science guy Gevin Rees just landed the interview of a lifetime with the world's most famous physicist. Remarkable, because the eccentric genius is notoriously reclusive, and he's already dead. What happens next forces Rees to run for his life from not one but two deadly assassins and global powers desperate to bury what he's just uncovered. Mind-blowing technology and solid evidence that would rewrite religious history and challenge the faith of billions.

Immortal cultivators are outlaws. They are hunted and executed, and their magic is illegal. Anti-cultivation propaganda posters are plastered on every street corner. The Counter-Cultivation Division investigates, the elite Black Corpses are sent in for the kill. None are spared. Mercy does not exist. But did the cultivators really bring the War of Tribulation? Are they actually responsible for the Heavenly Curse? Are they truly the bloodthirsty psychopaths the government paints them to be?

Alex McLeod paid dearly during the war for independence from Earth. It left the detective disfigured, jaded and alone. In the aftermath of victory, Alex seethes as criminal factions and cold-blooded killers clash over control of the newly-liberated confederation. In his crusade for justice in the free states, he's willing to break more than a few rules along the way...

The only home Alex knows is the slums of Slab, an orbiting city teeming with lowlifes, back-stabbers and gene-spliced monstrosities. From the grimy streets of his city to the lawless Asteroid Belt, Alex goes toe-to-toe with a sharp-clawed vigilante, a mythical serial killer, and a gorgeous vampire with an ominous message. His quest won't end until his homeland earns the freedom it was promised…

But even Alex may not be able to stop the impending Reckoning and a voyage to the one place he swore he'd never return: Earth...

After long years of war, the United States has sued for peace, yielding to a brutal coalition of nations ruled by fascist machines. One-quarter of the country is under foreign occupation. Canadian businessman Barry Simcoe arrives in occupied Chicago days before his hotel is attacked by a rogue war machine. In the aftermath, he meets a dedicated Russian medic with the occupying army and 19 Black Winter, a badly damaged robot. Together they stumble on a machine conspiracy to unleash a horrific plague - and learn that the fabled American resistance is not as extinct as everyone believes.

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.

Doctor Impossible, evil genius and diabolical scientist, has tried to take over the world in every way imaginable, but this time is going to be different. He'll have to contend with Fatale, however, a rookie superhero on her first day with the Champions, the world's most famous superteam. She's a patchwork woman of skin and chrome, a gleaming technological marvel built for the next generation of warfare.

When the terrorists who killed his mother return, 19-year-old Chandler wants to enlist to fight in the coming invasion. But in the neon city of Heim, nothing is what it seems. His loved ones are starting to vanish without any explanation, and until now, his physical stats have kept the military out of reach. But then, he encounters a stranger who talks of genetic secrets from a clandestine government project. Secrets that, when unleashed, could transform Chandler into a weapon, unlike any his world has seen.