At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him.

For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now. This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck’s altarpiece at Ghent.

The Cahill family has a secret. For five hundred years, they have guarded the 39 Clues - thirty-nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now. Thirteen-year-old Dan Cahill and his older sister, Amy, are the latest guardians of the Clues. They think they've done everything right, but a tiny mistake leads to catastrophe.

Calling all Cahills! Announcing a 39 Clues Superspecial adventure - the gang is back, and called to investigate one of their own: Sinead Starling.

Amy and Dan find themselves in a new global race but this time, everything’s different. Those closest to them might be working for the enemy, and Amy and Dan are forced to ask themselves how far they’re willing to go to save the kidnapped Cahills. How much can you risk when there’s no one to trust?

Twelve-year-old Percy Jackson is about to be kicked out of boarding school...again. No matter how hard he tries, he can't seem to stay out of trouble. But can he really be expected to stand by and watch while a bully picks on his scrawny best friend? Or not defend himself against his pre-algebra teacher when she turns into a monster and tries to kill him? Of course, no one believes Percy about the monster incident; he's not even sure he believes himself.

Ben Ripley may only be in middle school, but he's already pegged his dream job: CIA or bust. Unfortunately for him, his personality doesn't exactly scream "secret agent". In fact Ben is so awkward, he can barely get to school and back without a mishap. Because of his innate nerdiness, Ben is not surprised when he is recruited for a magnet school with a focus on science - but he's entirely shocked to discover that the school is actually a front for a junior CIA academy.

As the son of Hades, Nico di Angelo has been through so much, from the premature deaths of his mother and sister, to being outed against his will, to losing his friend Jason during the trials of Apollo. But there is a ray of sunshine in his life—literally: his boyfriend, Will Solace, the son of Apollo. Together the two demigods can overcome any obstacle or foe. At least, that's been the case so far . . . Now Nico is being plagued by a voice calling out to him from Tartarus, the lowest part of the Underworld.

Fiercetooth, a NightWing obsessed with what could have - and should have - been. Deathbringer, desperate to prove himself as the next great NightWing assassin. Six-Claws, a loyal SandWing, who will soon find that loyalty comes with a price. Foeslayer the NightWing, a dragon in love turned kidnapper, and Prince Arctic of the IceWings, a runaway turned captive. In these four short stories, dig deeper into the world of Pyrrhia to discover what really happened.

Sara Martinez is a hacker. She recently broke into the New York City foster care system to expose her foster parents as cheats and lawbreakers. However, instead of being hailed as a hero, Sara finds herself facing years in a juvenile detention facility and banned from using computers for the same stretch of time. Enter Mother, a British spy who not only gets Sara released from jail but also offers her a chance to make a home for herself within a secret MI5 agency. Operating out of a base in Scotland, the City Spies are five kids from various parts of the world.

Magnus Chase has always been a troubled kid. Since his mother's mysterious death, he's lived alone on the streets of Boston, surviving by his wits, keeping one step ahead of the police and the truant officers. One day, he's tracked down by an uncle he barely knows - a man his mother claimed was dangerous. Uncle Randolph tells him an impossible secret: Magnus is the son of a Norse god. The Viking myths are true. The gods of Asgard are preparing for war. Trolls, giants and worse monsters are stirring for doomsday.

In a discontented kingdom, civil war is brewing. To unify the divided people, Conner, a nobleman of the court, devises a cunning plan to find an impersonator of the king's long-lost son and install him as a puppet prince. Four orphans are recruited to compete for the role, including a defiant boy named Sage. Sage knows that Conner's motives are more than questionable, yet his life balances on a sword's point - he must be chosen to play the prince or he will certainly be killed. But Sage's rivals have their own agendas as well.

Chronicles the adventures and misadventures of Hiccup Horrendous Haddock III as he tries to pass the important initiation test of his Viking clan, the Tribe of the Hairy Hooligans, by catching and training a dragon.

Everything I’d known about the world was a lie. On my thirteenth birthday, I, Alcatraz Smedry (yes, I got named after a prison, don’t ask), received my inheritance: a bag of sand. And then I accidentally destroyed my foster parents’ kitchen. It’s not my fault, things just break around me, I swear! I thought the sand was a joke until evil Librarians came to steal it. You’re probably thinking, “Librarians are nice people who recommend good books,” but that’s just what they want you to think!

When best friends Dak Smyth and Sera Froste stumble upon the secret of time travel - a hand-held device known as the Infinity Ring - they're swept up in a centuries-long secret war for the fate of mankind. Recruited by the Hystorians, a secret society that dates back to Aristotle, the kids learn that history has gone disastrously off course. Now it's up to Dak, Sera, and teenage Hystorian-in-training Riq to travel back in time to fix the Great Breaks . . . and to save Dak's missing parents while they're at it.

Fed up with her wild behavior, 16-year-old Lex’s parents ship her off to upstate New York to live with her Uncle Mort for the summer, hoping that a few months of dirty farm work will whip her back into shape. But Uncle Mort’s true occupation is much dirtier than shoveling manure. He’s a Grim Reaper. And he’s going to teach Lex the family business. She quickly assimilates into the peculiar world of Croak, a town populated by reapers who deliver souls from this life to the next.

Logan Willis’s life is falling apart: he lost his job and found out that his wife is cheating on him all in the same day. Thinking that his world has ended, Logan checks into a hotel and turns on the TV to see that he's not far wrong - radio telescopes have detected mysterious signals coming from inside our solar system, and the source is moving toward us at over 500 miles per second. The media concludes that these signals must be of an alien origin. Still reeling from the news, Logan gets a phone call from his brother-in-law.

A seemingly random murder alerts scientist Dan Clifford to a global conspiracy that stretches from the halls of Washington to the Honduran coast. Illegal undersea activities have unwittingly uncovered a primordial secret that is wreaking havoc on aquatic life and the local human population. When the CDC and the full resources of a US "threat interdiction" team fails to uncover the source of the devastation, Dan and a brilliant marine biologist, Rachel Sullivan, must race to unravel an unimaginable, ancient mystery in the murky depths.

It always started like this, a pulse inside me, like a warning before the tide surged, roared... and froze everything. Twenty-year old Emma just landed in Rome, to find the father who walked out of her life more than a decade ago and was too busy eating pizza to call. Traveling with her is a secret she's carried alone since childhood: sometimes, around her, time stops. People and cars freeze, rain hangs still in the air and there's only her left in the silence. To make things worse, instead of her dad, Em runs into a past she'd rather forget in the person of Lily, her stepsister.

The Seven Wonders adventures continue in this bind-up of The Select and The Orphan. The Select tells the story of thirteen-year-old Burt Wenders, the first documented carrier of the G7W gene, and his fated voyage to the island that would eventually come to house the Karai Institute. In The Orphan, learn the story of Daria, orphaned at a young age and enslaved by the Babylonians, and her valiant battle to escape the only city she's ever called home. These titles are together for the first time ever.

Eli knows corruption runs deep within the compound. It's a reality he's forced to confront every year on Bid Day. But when your job is to go out into the radiation-soaked Fringe so that others can live in peace, you don't ask too many questions. For Harper, the bid system works just fine. She's the best developer in her year, and she's confident she'll find a place among the wealthy, respected Systems workers. But when an upset in the bidding changes the course of Harper's future, she'll be forced to rely on an unlikely ally.

When a simple mission to deliver the beautiful and brilliant Vanessa Crosby to a safe house goes horribly wrong, ICE agent Diego Santero's life gets complicated. Relentlessly hunted and not knowing whom to trust, Diego takes Vanessa on the run, deep into the heart of the deadly Panamanian rain forest. Vanessa reminds herself that she's just another asset to the ruggedly handsome black ops agent... until their intense situation leads to a release of passion neither expected. But even if they make it out alive, how can they ever have a future together?

Using a cutting-edge technology called DHI - which stands for both Disney Host Interactive and Daylight Hologram Imaging - Finn Whitman, an Orlando teen, and four other kids are transformed into hologram projections that guide guests through the park. The new technology turns out, however, to have unexpected effects that are both thrilling and scary. Soon Finn finds himself transported in his DHI form into the Magic Kingdom at night. Is it real? Is he dreaming? Finn’s confusion only increases when he encounters Wayne, an elderly Imagineer who tells him that the park is in grave danger.

Ben McKelvie believes he's moving up in the world when he and his fiancée buy a house in the cushy Washington, DC, suburb of Barcroft. Instead he's moving down - way down - thanks to Madeleine Roux, the crazy neighbor whose vermin-infested property is a permanent eyesore and looming hazard to public health. First Ben's fiancée leaves him; then his dog dies, apparently killed by a predator drawn into Barcroft by Madeleine's noxious menagerie. But the worst is yet to come for Ben.

Seattle, 1913. Dorothy spent her life learning the art of the con. But after meeting a stranger and stowing away on his peculiar aircraft, she wakes up in a chilling version of the world she left behind - and for the first time in her life, realizes she’s in way over her head. New Seattle, 2077. If there was ever a girl who was trouble, it was one who snuck on board Ash’s time machine wearing a wedding gown - and the last thing he needs is trouble if he wants to prevent his terrifying visions of the future from coming true.

Sixteen-year-old Blake has always been the responsible one in his dysfunctional family. Quinn is his brother's opposite - a thrill-seeker who's always chasing the next scary rush. Quinn and Blake are in for the surprise of their lives when they're thrust into the world of a bizarre phantom carnival - and their souls are the price of admission. In order to save his brother, and himself, Blake must survive seven different carnival rides before dawn. Seven rides sounds easy. But each ride is full of unexpected dangers, because each ride is a reflection of one of Blake's deepest fears.

Hotshot pilot Nax Hall has a history of making poor life choices. So it’s not exactly a surprise when he’s kicked out of the elite Ellis Station Academy in less than 24 hours. But Nax’s one-way trip back to Earth is cut short when a terrorist group attacks the Academy. Nax and three other washouts escape - barely - but they’re also the sole witnesses to the biggest crime in the history of space colonization. And the perfect scapegoats. On the run, Nax and his fellow failures plan to pull off a dangerous heist to spread the truth.

Ex-Marine Nate "Ghost" Weller is an expert at keeping his cool - and his distance - which makes him one hell of a sniper. It's also how he keeps his feelings for Ali Morgan in check. Sweet, sexy Ali has always revved his engine, but she's his best friend's baby sister ... and totally off limits. Ali's never seen anything sexier than Nate Weller straddling his custom Harley - or the flash of danger in his eyes when she tells him she's in trouble. First, something happened to her brother, and now she's become the target of a nasty organization.

Twelve-year-old criminal mastermind Artemis Fowl has discovered a world below ground of armed and dangerous—and extremely high-tech—fairies. He kidnaps one of them, Holly Short, and holds her for ransom in an effort to restore his family's fortune. But he may have underestimated the fairies' powers. Is he about to trigger a cross-species war?

A devastated Earth's last hope is found in Pearls: small, mysterious orbs that fall from space and are capable of supplying enough energy to power entire cities. Battling to control the Pearls are the Skyship dwellers -political dissidents who live in massive ships in the Earth's stratosphere - and the corrupt Surface government.

At only seventeen years old, Ian Kabra is head of the Cahills, the most powerful family in the world. He has presidents on speed dial, generals at his beck and call. Ian knows he's an ideal leader and the only man for the job. There's just one small problem: He's already messed up big time. A Cahill from the past calling himself the Outcast has risen to challenge Ian with an impossible test. The Outcast has re-created four of history's greatest disasters and dared Ian to stop him.

The Cahill family has a secret. For five hundred years, they have guarded the 39 Clues - thirty-nine ingredients in a serum that transforms whomever takes it into the most powerful person on earth. If the serum got into the wrong hands, the disaster would rock the world. So certain Cahills have always made it their mission to keep the serum safe, buried, locked away. Until now. Thirteen-year-old Dan Cahill and his older sister, Amy, are the latest guardians of the Clues. They think they've done everything right, but a tiny mistake leads to catastrophe.

Calling all Cahills! Announcing a 39 Clues Superspecial adventure - the gang is back, and called to investigate one of their own: Sinead Starling.

For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now. This extraordinary stand-alone novel cracks open the Cahill vault to tell the story of the most coveted piece of artwork in the world, a masterpiece that has been the target of seven separate theft attempts: Jan van Eyck’s altarpiece at Ghent.

What would happen if you discovered that your family was one of the most powerful in human history? What if you were told that the source of the family's power was hidden around the world, in the form of 39 Clues? What if you were given a choice - take a million dollars and walk away...or get the first Clue? If you're Amy and Dan Cahill, you take the Clue - and begin a very dangerous race.