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?

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.

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.

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

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.

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.

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.

Popular author Gordon Korman has sold millions of copies of his irreverant books for young readers. In this fast-paced caper, 11-year-old Griffin Bing finds something far more profitable than cobwebs during a haunted house sleepover - a rare Babe Ruth baseball card. But when a swindler scams the card from Griffin for only $125, the resourceful sixth grader and his friends plot their revenge.

Reef and Theo don't know what's happening to them. They'll be going about their days and then suddenly they'll have these strange flashes of memory—but the memories don't belong to them. And at the same time, their own memories are starting to... vanish. For Reef, this is a big problem, because memories are all he has left of his mom. For Theo, it's strange because the new memories give him a freedom he doesn't have with his domineering dad.

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.

Ketterdam: a bustling hub of international trade where anything can be had for the right price - and no one knows that better than criminal prodigy Kaz Brekker. Kaz is offered a chance at a deadly heist that could make him rich beyond his wildest dreams. But he can't pull it off alone.

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....

Welcome to the Sweet Tooth Ice Cream & Candy Shoppe, where the confections are a bit on the... unusual side. Rock candy that makes you weightless. Jawbreakers that make you unbreakable. Chocolate balls that make you a master of disguise. Four young friends - Nate, Summer, Trevor, and Pigeon - meet the grandmotherly Mrs. White, owner of the Sweet Tooth, and soon learn about the magical side effects of her candies.

After an escaped kangaroo starts a fire that burns down his house, Teddy Fitzroy accepts an invitation to go to Malibu with his girlfriend, Summer, and her mother, Kandace. He’s hoping to spend some time relaxing on the beach, but wherever Teddy goes, trouble isn’t far behind. First, a massive dead whale has washed up on the beach—and before anyone can determine what killed it, it explodes. Doc, the head vet from FunJungle, suspects something fishy is going on and ropes Teddy and Summer into helping him investigate.

In a Victorian era ruled by a council of ruthless steam barons, mechanical power is the real monarch and sorcery the demon enemy of the Empire. Nevertheless, the most coveted weapon is magic that can run machines - something Evelina has secretly mastered. But rather than making her fortune, her special talents could mean death or an eternity as a guest of Her Majesty's secret laboratories. What's a polite young lady to do but mind her manners and pray she's never found out?

It was the last peace, the great peace, the deep breath before the storm. The Golden Age was closing and the heavens paused and waited for the long plunge ahead. Some people saw it coming. But they were few. The first episode of this geopolitical thriller sets up the start of an epic battle between Light and Darkness. Taking listeners from Saudi Arabia to Israel to Washington D.C. and Chicago, Wrath & Righteousness is a frightening, torn-from-the-headlines peek into the future.

Ketterdam: a bustling hub of international trade where anything can be had for the right price - and no one knows that better than criminal prodigy Kaz Brekker. Kaz is offered a chance at a deadly heist that could make him rich beyond his wildest dreams. But he can't pull it off alone.

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 Evie Walker goes home to spend time with her dying father, she discovers that his creaky old house in Hope’s Fort, Colorado, is not the only legacy she will inherit. Hidden behind the basement door is a secret and magical storeroom, a place where wondrous treasures from myth and legend are kept safe until they are needed again.

They were orphans, Chris and Saul - raised in a Philadelphia school for boys, bonded by friendship, and devoted to a mysterious man called Eliot.

The Spandau Diary -- what was in it? Why did the secret intelligence agencies of every major power want it? Why was a brave and beautiful woman kidnapped to get it? Why did a chain of deception and violent death lash out across the globe, from survivors of the Nazi past to warriors in this new conflict about to explode? Why did the world's entire history of World War II have to be rewritten as the future hung over a nightmare abyss?

Seventeen-year-old Anglet Sutonga lives repairing the chimneys, towers, and spires of the city of Bar-Selehm. Dramatically different communities live and work alongside each other. The white Feldish command the nation's higher echelons of society. The native Mahweni are divided between city life and the savannah. And then there's Ang, part of the Lani community who immigrated over generations ago as servants and now mostly live in poverty on Bar-Selehm's edges.

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.

For over 3,000 years, the Faeregine dynasty has ruled Impyrium. But the family's magic has been fading, and with it their power over the empire. Whether it's treachery from a rival house, the demon Lirlanders, or rebel forces, many believe the Faeregines are ripe to fall. Hazel, the youngest member of the royal family, is happy to leave ruling to her sisters so that she can study her magic. But the empress has other plans for her granddaughter, dark and dangerous plans to exploit Hazel's talents and rekindle the Faeregine mystique.

Harry Potter has never even heard of Hogwarts when the letters start dropping on the doormat at number four, Privet Drive. Addressed in green ink on yellowish parchment with a purple seal, they are swiftly confiscated by his grisly aunt and uncle. Then, on Harry's eleventh birthday, a great beetle-eyed giant of a man called Rubeus Hagrid bursts in with some astonishing news: Harry Potter is a wizard, and he has a place at Hogwarts School of Witchcraft and Wizardry. An incredible adventure is about to begin!

When 17-year-old Kai is exposed as a female sorceress, a moonburner, she knows the punishment is death. Despite the odds against her, Kai escapes her fate and undertakes a harrowing journey to a land where moonburners are revered and trained as warriors. But the moonburner citadel is not the place of refuge and learning that Kai imagined.

It is Warsaw, 1939, and Elzunia is an indulged teenager who longs for a heroic life filled with romance. But the outbreak of war shatters all her dreams. As bombs fall, she meets Adam, a taciturn airman whose fate becomes entwined with hers. In despair over the occupation, Adam joins the Polish resistance, then flies bombers for the RAF.

Princess Aurelia is a prisoner to her crown and the heir that nobody wants. Surrounded by spirits and banned from using her blood-magic, Aurelia flees her country after a devastating assassination attempt. To escape her fate, Aurelia disguises herself as a commoner in a new land and discovers a happiness her crown has never allowed. As she forges new bonds and perfects her magic, she begins to fall for a man who is forbidden to rule beside her.

When 16-year-old Jack forgets to take his medicine one morning, he soon learns what the medicine is really for. It's a suppressant for his magical powers....He's a Warrior Heir.

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.

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?

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.