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.

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.

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?

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.

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.

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.

In the long-awaited sequel to Fablehaven, the dragons who have been kept at the dragon sanctuaries no longer consider them safe havens but prisons, and they want their freedom. The dragons are no longer our allies....

Twelve-year-old Sophie has never quite fit into her life. She’s skipped multiple grades and doesn’t really connect with the older kids at school, but she’s not comfortable with her family, either. The reason? Sophie’s a Telepath, someone who can read minds. No one knows her secret - at least, that’s what she thinks.... But the day Sophie meets Fitz, a mysterious (and adorable) boy, she learns she’s not alone. He’s a Telepath too, and it turns out the reason she has never felt at home is that, well...she isn’t. Fitz opens Sophie’s eyes to a shocking truth....

Charlie Thorne is a genius. Charlie Thorne is a renegade. Charlie Thorne isn’t going down without a fight. After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet.

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.

Cruz Coronado leaves his tranquil home in Hawaii to join 23 talented kids from around the globe to train at the Explorer Academy with the world's leading scientists to become the next generation of great explorers. But for Cruz, there's more at stake. No sooner has he arrived at the Academy than he discovers that his family has a mysterious past with the organization that could jeopardize his future. In the midst of codebreaking and cool classes, new friends, and augmented reality expeditions, Cruz must tackle the biggest question of all: Who is out to get him, and why?

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.

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.

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.

When teenagers Jay and Lila Cooper and their archaeologist father travel to Nepur, an uninviting land of deserts and danger, they must search to uncover the truth behind an ancient legend. Locals claim that inside a dark cavern called the Dragon's Throat is a forbidden Door that brings certain death to anyone who tries to open it. Armed with the knowledge that God is more powerful than any legend or curse, Jay and Lila plunge down into the Dragon's Throat, determined to find out what awaits them on the other side of the Door.

A mysterious woven metal artifact is found at a paleontological dig in Africa. Mystified experts, confounded by the impossible timeline they get from traditional dating methods, call upon a stubborn young man with a unique talent. Matthew Turner's gift is also his curse: When he touches any object, his awareness is flooded with the thoughts and feelings of those who touched it before him. It is a talent that many covet, some fear, and almost no one understands.

Modern gods and goddesses, remote, revered - and like the pantheon of heroes and heroines of ancient myth - possessing great power tempered with flaws. Now, find within this anthology great tales by gifted and award-winning authors who move superheroes from the four-color panels of comic books to the fantastic pages of fiction, stories that will remind anyone who ever wanted to wear a cape or don a cowl of the extraordinary powers of the imagination!

During a trek to Loch Ness, Scotland, a young Charles Darwin encounters a mysterious and terrifying creature that provides a spark for his evolutionary theory. Almost 200 years later and across the Channel in Paris, the Eiffel Tower is under attack. Only through detective work, intuition, and a judicious application of high-tech weaponry does former Army combat engineer Tyler Locke prevent a massacre.

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.

Charlie West just woke up in someone else's nightmare. He's strapped to a chair. He's covered in blood and bruises. He hurts all over. And a strange voice outside the door just ordered his death. The last thing he can remember is that he was a normal high-school kid doing normal things. How long ago was that? Where is he now? Who is he really?

Maisie Danger Brown just wanted to get away from home for a bit and see something new. She never intended to fall in love with a boy at space camp. And she certainly never intended to stumble into a frightening plot that just might destroy everything and everyone she cares about. But now there's no going back - Maisie's the only thing standing between danger and annihilation. She must become the hero the world needs before she loses her heart... and her life.

When Lyric Walker was 14 years old, her life was turned upside down when she witnessed a world-changing event - the arrival of the Triton, a five-nation race of warrior merpeople who walked out of the sea and camped on the beaches of modern-day Coney Island. Suddenly her neighborhood was home to a new minority group numbering in the tens of thousands. But the Triton's arrival also revealed a shocking family secret: Her own mother was a mermaid.

Bobby Pendragon is a seemingly normal 14-year-old boy. He has a family, a home, and even Marley, his beloved dog. But there is something very special about Bobby: he is going to save the world.

And not just Earth as we know it. Bobby is slowly starting to realize that life in the cosmos isn't quite what he thought it was. And before he can object, he is swept off to an alternate dimension known as Denduron, a territory inhabited by strange beings, ruled by a magical tyrant, and plagued by dangerous revolution.

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?

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.

The virus has spread...and four teens are infected. This new life isn't what I asked for. And if I can't learn to protect myself, it will destroy me. My mission is clear. My enemies will fall. And nothing will stand in my way. I knew there was something wrong with me. But maybe I can be more than just a freak. People always underestimate me. They only see a pretty face. And that mistake is going to cost them.

When thirteen-year-old Ronan Truelove’s seemingly ordinary mom snatches him from school, then sets off on a high speed car chase, Ronan is shocked. His quiet, nerdy dad has been kidnapped? And the kidnappers are after him, too? His mom, he quickly learns, is anything but ordinary. In fact, she’s a member of an ancient order of knights, the Blood Guard, a sword-wielding secret society sworn to protect the Pure — thirty-six noble souls whose safety is crucial if the world as we know it is to survive.