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.

When Kate Pierce-Keller’s grandmother gives her a strange blue medallion and speaks of time travel, sixteen-year-old Kate assumes the old woman is delusional. But it all becomes horrifyingly real when a murder in the past destroys the foundation of Kate’s present-day life. Suddenly, that medallion is the only thing protecting Kate from blinking out of existence. Kate learns that the 1893 killing is part of something much more sinister, and her genetic ability to time travel makes Kate the only one who can fix the future.

She used to work for the US government, but very few people ever knew that. An expert in her field, she was one of the darkest secrets of an agency so clandestine it doesn't even have a name. And when they decided she was a liability, they came for her without warning. Now she rarely stays in the same place or uses the same name for long. They've killed the only other person she trusted, but something she knows still poses a threat. They want her dead, and soon.

The first book in an original mystery series featuring 28-year-old Veronica Mars, back in action after the events of Veronica Mars: The Movie. With the help of old friends - Logan Echolls, Mac Mackenzie, Wallace Fennel, and even Dick Casablancas - Veronica is ready to take on Neptune's darkest cases with her trademark sass and smarts.

Romance was not part of Nora Grey's plan. She's never been particularly attracted to the boys at her school, no matter how hard her best friend, Vee, pushes them at her. Not until Patch comes along. With his easy smile and eyes that seem to see inside her, Patch draws Nora to him against her better judgment. But after a series of terrifying encounters, Nora's not sure whom to trust.

Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

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.

The night Russ Becker witnesses a strange astronomical event, his world changes forever. Before long Russ discovers he's developed incredible superpowers, and he's not the only one. Three other young people - beautiful Mallory, arrogant Jameson, and mysterious Nadia - have had the same experience and all of them now have powers of their own. Mallory can control peoples' minds, Jameson moves objects with his thoughts, and Nadia has empathic abilities.

Mason has never known his father, but longs to. All he has of him is a DVD of a man whose face is never seen, reading a children’s book. One day, on a whim, he plays the DVD for a group of comatose teens at the nursing home where his mother works. One of them, a beautiful girl, responds. Mason learns she is part of an experiment intended to render teenagers into autotrophs—genetically engineered, self-sustaining life-forms who don’t need food or water to survive.

An asteroid is hurtling toward Earth. A big, bad one. Maybe not kill-all-the-dinosaurs bad but at least kill-everyone-in-California-and-wipe-out-Japan-with-a-tsunami bad. Yuri, a physicist prodigy from Russia, has been recruited to aid NASA as they calculate a plan to avoid disaster. The good news is Yuri knows how to stop the asteroid - his research in antimatter will probably win him a Nobel Prize if there's ever another Nobel Prize awarded. But the trouble is, even though NASA asked for his help, no one there will listen to him.

Eight years ago, Addie Webster was the victim of the most notorious kidnapping of the decade. She vanished - and her high-profile parents were forced to move on. Mark Webster is now president of the United States and fighting to keep the Oval Office after a tumultuous first term. Then the unthinkable happens: The president's daughter resurfaces. Addie is brought back into the family fold, but who is this 16-year-old girl with a quiet, burning intelligence now living in the White House?

Sixteen-year-old Callie lost her parents when the genocide spore wiped out everyone except those who were vaccinated first - the very young and very old. With no grandparents to claim Callie and her little brother, they go on the run, living as squatters, and fighting off unclaimed renegades who would kill for a cookie. Hope comes via Prime Destinations, run by a mysterious figure known only as The Old Man. He hires teens to rent their bodies to seniors, known as enders, who get to be young again.

When 16-year-old Kyra Agnew wakes up behind a Dumpster at the Gas 'n' Sip, she has no memory of how she got there. With a terrible headache and a major case of déjà vu, she heads home only to discover that five years have passed…yet she hasn't aged a day. Everything else about Kyra's old life is different. Her parents are divorced, her boyfriend, Austin, is in college and dating her best friend, and her dad has changed from an uptight neat-freak to a drunken conspiracy theorist who blames her five-year disappearance on little green men.

Sixteen-year-old Noa has been a victim of the system ever since her parents died. Now living off the grid and trusting no one, she uses her computer-hacking skills to stay safely anonymous and alone. But when she wakes up on a table in an empty warehouse with an IV in her arm and no memory of how she got there, Noa starts to wish she had someone on her side. Enter Peter Gregory. A rich kid and the leader of a hacker alliance, Peter needs people with Noa's talents on his team. Especially after a shady corporation called AMRF threatens his life in no uncertain terms.

When her boyfriend dies a most untimely death, Aura--who can see ghosts--is forced to reconsider her relationship with the living and dead in Shade.