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.

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?

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.

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.

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

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.

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.

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....

Ana Dakkar is a freshman at Harding-Pencroft Academy, a five-year high school that graduates the best marine scientists, naval warriors, navigators, and underwater explorers in the world. Ana's parents died while on a scientific expedition two years ago, and the only family's she's got left is her older brother, Dev, also a student at HP. Ana's freshman year culminates with the class' weekend trial at sea, the details of which have been kept secret. She only hopes she has what it'll take to succeed.

Most kids have enough to deal with between school, homework, extracurricular activities, and friends, but Molly Bigelow isn't your typical tween. By day, Molly attends MIST - the Metropolitan Institute of Science and Technology - but it's what she's learning outside of school that sets her apart from her classmates. Molly is a zombie hunter, just like her mother.

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.

Help Dink, Josh, and Ruth Rose solve mysteries from A to Z! This collection includes Detective Camp, Mayflower Treasure Hunt, White House White-Out, and Sleepy Hollow Sleepover.

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.

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!

Amanda Obermann. Code name Iris. It’s Testing Day. The day that comes without warning, the day when all juniors and seniors at The Peel Academy undergo a series of intense physical and psychological tests to see if they’re ready to graduate and become government operatives. Amanda and her boyfriend Abe are top students, and they’ve just endured thirty-six hours of testing. But they’re juniors and don’t expect to graduate. That’ll happen next year, when they plan to join the CIA - together.

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.

New York Times best-selling author Joe Schreiber pens a funny, action-packed novel that is equal parts Ferris Bueller’s Day Off and La Femme Nikita. It’s prom night, and Perry is looking forward to playing a gig with his band in New York City. But when his mother makes him take their quiet and geeky Lithuanian exchange student to the dance, he finds himself on a reckless ride through Manhattan—in his dad’s red Jaguar—with a trained assassin.

It is a world like our own in every respect, save one. In the 1950s, random acts of possession begin to occur. Ordinary men, women, and children are the targets of entities that seem to spring from the depths of the collective unconscious, pop-cultural avatars some call demons. As a boy, Del Pierce is possessed by the Hellion, an entity whose mischief-making can be deadly. With the help of Del's family and a caring psychiatrist, the demon is exorcised... or is it?

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.

In the blink of an eye, everyone disappears. Gone. Except for the young. There are teens, but not one single adult. Just as suddenly, there are no phones, no Internet, no television. No way to get help. And no way to figure out what's happened. Hunger threatens. Bullies rule. A sinister creature lurks. Animals are mutating. And the teens themselves are changing, developing new talents - unimaginable, dangerous, deadly powers - that grow stronger by the day. It's a terrifying new world.

In 1943, when the United States learns that Germany is on the verge of a deadly innovation that could tip the balance of the war, the government turns to an unlikely source for help: the nation’s top science fiction writers. Installed at a covert military lab within the Philadelphia Naval Yard are the most brilliant of these young visionaries. The unruly band is led by Robert Heinlein, the dashing and complicated master of the genre. His “Kamikaze Group,” is tasked with transforming the wonders of science fiction into science fact....

Charles "Jay" Tice was a legend throughout the world of international intelligence. But secretly he was also a traitor, reputedly selling information that will seriously compromise the security of the United States for decades to come. Since his treachery was exposed, Tice has been kept under strict surveillance in a maximum security prison. Then one morning, his cell is discovered empty. Jay Tice has vanished - without tripping an alarm or leaving any trace of his passing.

Over ten years ago, Air Force major Nick Baron was part of a failed special ops mission that left a B-2 stealth bomber at the bottom of the Persian Gulf. Now, leading his men - the Triple Seven Chase team - Baron must find the bomber and dispose of it for good before any unfriendly nation can steal the onboard technology for its own purposes. But as the team embarks on its mission, there are greater dangers waiting.

If you've never read a Repairman Jack novel, this is the place to begin. It's 1990. A twenty-one-year-old named Jack has dropped out of college, leaving his old life behind to build a new one in New York City. Manhattan's rough edges are jagged enough to shred any unwary newcomer, but perhaps not one who is determined to stay off the grid, at any cost, in the busiest metropolis on earth. And to do so, he'll have to take jobs of a less than legal nature.

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.

What’s the point in solving murders if we’re all going to die soon, anyway? Detective Hank Palace has faced this question ever since asteroid 2011GV1 hovered into view. There’s no chance left. No hope. Just six precious months until impact. The economy spirals downward while crops rot in the fields. Churches and synagogues are packed. People all over the world are walking off the job—but not Hank Palace. He’s investigating a death by hanging in a city that sees a dozen suicides every week—except this one feels suspicious, and Palace is the only cop who cares.

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?