In the year 2045, reality is an ugly place. The only time Wade Watts really feels alive is when he’s jacked into the OASIS, a vast virtual world where most of humanity spends their days. When the eccentric creator of the OASIS dies, he leaves behind a series of fiendish puzzles, based on his obsession with the pop culture of decades past. Whoever is first to solve them will inherit his vast fortune—and control of the OASIS itself.

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 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 1948, an alien starship crash-landed in the New Mexico desert and brought with it the key to mankind’s future. Code-named the Rho Project, the landing was shrouded in secrecy, and only the highest-ranking US government and military personnel knew it existed. Until now....

You will never read Denny Younger's name in any history book, will never know what he's done. But even if you did, you'd never believe it. The world as you know it wouldn't be the same without him. Denny was born into one of the lowest rungs of society, but his bleak fortunes abruptly change when the mysterious Upjohn Institute recruits him to be a Rewinder, a verifier of personal histories. The job at first sounds like it involves researching old books and records, but Denny soon learns it's far from it.

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.

Harmony House is more than a “special place for special people.” It’s a think tank where high-functioning autistic savants harness their unique abilities for the benefit of society. Resident Eddie Parks’s contribution: an “echo box” that can re-create never-recorded sounds using acoustic archeology. All Eddie wants is to hear his late mother’s voice. But what he’s created is inadvertently posing a threat to national security. To Harmony House’s shadowy government backers and radical extremists, the echo box is the ultimate intelligence asset - an end to the very concept of secrecy.

When test subjects participating in secret experiments begin to mysteriously die, Cyrus Cooper, the youngest recruit of the "Coalition" - a secret law enforcement organization - is assigned to prevent the program’s lead researcher from being the next victim. Cyrus goes undercover, taking a position as a personal assistant in order to enter the life of the brash, elderly scientist. When multiple attempts are made on her life, however, not only must Cyrus protect the headstrong lady, but he must also uncover the perpetrator of the attacks before it’s too late.

Caitlin Decter is young, pretty, feisty, a genius at math - and blind. Still, she can surf the net with the best of them, following its complex paths clearly in her mind. But Caitlin's brain long ago co-opted her primary visual cortex to help her navigate online. So when she receives an implant to restore her sight, instead of seeing reality, the landscape of the World Wide Web explodes into her consciousness, spreading out all around her in a riot of colors and shapes.

For 12-year-old Emily, the best thing about moving to San Francisco is that it's the home city of her literary idol: Garrison Griswold, book publisher and creator of the online sensation Book Scavenger (a game where books are hidden in cities all over the country and clues to find them are revealed through puzzles). Upon her arrival, however, Emily learns that Griswold has been attacked and is now in a coma, and no one knows anything about the epic new game he had been poised to launch.

My name is Gemma Keyes. Other than my name, I am utterly forgettable - so those who never paid much attention to me in the first place haven't exactly noticed that I've disappeared. Vanished. Oh, it's much more complicated than it sounds. And let me tell you, invisibility comes with its own set of problems.

Teddy Cannon isn’t your typical 20-something woman. She’s resourceful. She’s bright. She’s scrappy. She can also read people with uncanny precision. What she doesn’t realize: She’s actually psychic. When a series of bad decisions leads Teddy to a run-in with the police, a mysterious stranger intervenes. He invites her to apply to the School for Psychics, a facility hidden off the coast of San Francisco where students are trained like Delta Force operatives: It’s competitive, cutthroat, and highly secretive.

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?

By day, Angie, a 20-year veteran of the tech industry, is a data analyst at Tomo, the world's largest social networking company; by night, she exploits her database access to profile domestic abusers and kill the worst of them. She can't change her own traumatic past, but she can save other women. When Tomo introduces a deceptive new product that preys on users' fears to drive up its own revenue, Angie sees Tomo for what it really is - another evil abuser.

With the defeat of the Overtakers behind them, the five teenagers known as the Kingdom Keepers should be celebrating. By all accounts they saved Disneyland from certain destruction. Why then did their mentor leave one last puzzle for them to decipher? The Keepers must solve a puzzle of the past, or be crushed under an evil that makes the Overtakers seem like gentle souls.