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.

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?

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.

On a foggy night in Amsterdam, a man falls from a rooftop to the wet pavement below. It's Archibald McQuinn, the notorious cat burglar, and he's dying. As sirens wail in the distance, Archie manages to get out two last words to his young son, March: "Find jewels." But March learns that his father is not talking about hidden loot. He's talking about Jules, the twin sister March never knew he had. No sooner than the two find each other, they're picked up by the police and sent to the world's worst orphanage. It's not hard time, but it feels like it.

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.

In Dinosaurs Before Dark, adventure is waiting to happen! Jack and his younger sister, Annie, stumble upon a tree house filled with books. Where did the tree house come from? How long has it been there? When Jack reads a book about the Cretaceous period, 65 million years ago, and wishes he could really see the pteranodon, it suddenly appears at his window. Magically. Before Jack and Annie can figure out the mystery, the tree house whisks them back to the prehistoric past.

Before they were the Boxcar Children, Henry, Jessie, Violet, and Benny Alden lived with their parents on Fair Meadow Farm. Although times are hard, the Aldens are happy - “the best family of all,” Mama likes to say. One day, a blizzard hits the countryside, and a traveling family needs shelter. The Aldens take them in, and the strangers soon become friends. But things never stay the same at the farm, and the spring and summer bring events that will forever change their lives.

Kate craves adventure and excitement. Mia loves dresses, roses, and anything beautiful. Lainey dreams of talking to animals. Gabby believes in fairies more than anyone. In a blink of an eye, these four best friends all get their biggest wish - they're whisked off to Never Land, home to Tinker Bell and her fairy friends. The adventure of a lifetime is just beginning! But how will the Never Girls ever get home again?

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.

Fourteen-year-old Ozzy lives near Portland, Oregon, and is desperate for help. His scientist parents have been kidnapped after discovering a formula that enables mind control. Their work was so top secret that Ozzy is afraid to go to the police, but without help, he fears he'll never find his parents. Then he stumbles across a classified ad in the local newspaper that says "Wizard for Hire. Call 555-SPEL." Ozzy has read about wizards in books like Harry Potter, but wizards couldn't exist today, could they? After Ozzy meets the wizard Labyrinth - a.k.a. Rin - he's even more skeptical.

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.

Ten-year-old George Calder can't believe his luck - he and his little sister, Phoebe, are on the famous Titanic, crossing the ocean with their aunt Daisy. The ship is full of exciting places to explore, but when George ventures into the first-class storage cabin, a terrible boom shakes the entire boat. Suddenly water is everywhere, and George's life changes forever.

Mira is a mermaid on a mission. It’s time to leave the ocean. Mira Belshaw has been at sea for...well, she doesn’t know how many years. It’s hard to keep track of time when you live in the ocean. But after enough time, the salt water triggers the desire to procreate, and her time is up. Finding a mate is the most important thing to her right now, and to do that, she has to return to the place where she was last human - the coastal city of Saltford.

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?

Pilot Dodge Kingston has always been the heir to Sky King Ranch. But after a terrible family fight, he left to become a pararescue jumper. A decade later, he's headed home to the destiny that awaits him. That's not all that's waiting for Dodge. His childhood best friend and former flame, Echo Yazzie, is a true Alaskan - a homesteader, dogsledder, and research guide for the DNR.

Twenty years ago, a terrified young boy was abducted in the middle of the night by masked intruders while his sister watched, paralyzed with fear. Returned after a harrowing nine months with his captors, Thea's brother has never been the same. This life-shattering experience drove Thea to become what she is today: a world-class freedom broker. Most hostage-recovery work is done at the negotiation table, but when diplomacy fails, Thea leads Quantum Security International's black-ops team on highly sensitive rescue missions.

This set includes Crash Dive, What Comes Around, and White Death, three Alex Hawke novellas never available before on audio. In Crash Dive, Alex Hawke is on a highly covert mission to enter another nation’s airspace undetected and find a way to avert a global war. In What Comes Around, two CIA officers are found dead. Hawke discovers that the victims are connected through one man: Spider Payne, a rogue intelligence officer. In White Death, M16 suspects a bizarre conspiracy when two bankers are found dead, and vast sums are plundered from the Queen of England’s accounts.

Koji Owens is the new kid...again. As the only son of an Air Force F-16 pilot, he's learned to adapt and survive every time they move. It's not easy starting over with new friends and schools every two years, but when the Owens family makes their final move to New York, Koji finally has hope for a normal high school life - that is, until he finds a strange bracelet in his locker.

After a botched escape plan from her boarding school, Abigail is stunned to discover the school is actually a cover for an elite spy ring called The Center, along with being training grounds for future spies. Even more shocking? Abigail's mother is a top agent for The Center and she has gone MIA, with valuable information that many people would like to have - at any cost. Along with a former nemesis and charming boy from her grade, Abigail goes through a crash course in Spy Training 101, often with hilarious - and sometimes painful - results.

Sometimes, Kaia Oana thinks her dolphins are more humane than humans. As a mammal intelligence researcher, Kaia has learned a thing or two about the goodness and intelligence of dolphins - and as a natural scientist in close proximity to weapons developers, she's learned a thing or two about humans as well. When a tourist catamaran explodes off the coast of the Hawaiian island of Kauai, Kaia and her trained dolphin, Nani, rush to aid the search and rescue effort. After hours of searching, an exhausted Kaia is pulled from the water by Lieutenant Commander Jesse Matthews of the US Navy.

Recently laid-off from his newspaper and desperate for work, war correspondent Nick Bishop takes a humbling job: writing a profile of a new mindfulness app called Clarity. It’s easy money, and a chance to return to his hometown for the first time in years. The app itself seems like a retread of old ideas — relaxing white noise and guided meditations. But then there are the “Sleep Songs.” A woman’s hauntingly beautiful voice sings a ballad that is anything but soothing — it’s disturbing, and more of a warning than a relaxation — but it works.

Life on Shelnora Island seemed to be perfect for me. A tropical paradise, great food, and beautiful women at the local sorority . . . until I crossed paths with a mysterious murder and sightings of an honest-to-God werewolf! Now I'm surrounded by three beautiful women, all drawn into the mystery, and it turns out that my new dog is a smoking hot shapeshifter. Life's gotten crazy, but maybe, if we all work together, we'll find out who the real killer is. Could it be the curmudgeonly divemaster with a grudge? The sleazy resort owner drumming up sensationalism for tourist bucks?

In the wake of WWII, a grieving fisherman submits a poem to a local newspaper: a rallying cry for hope, purpose...and rocks. When the poem spreads farther than he ever intended, Robert Bliss's humble words change the tide of a nation. Boxes of rocks inundate the tiny coastal Maine town, and he sets his calloused hands to work, but the building halts when tragedy strikes. Decades later, Annie Bliss is summoned back to Ansel-by-the-Sea when she learns her Great-Uncle Robert, the man who became her refuge during the hardest summer of her youth, is now the one in need of help.

Included in this collection, totaling almost 35 hours of audio, are the following audiobooks: Book One, The Rebellious Sister; Book Two, The Uncooperative Warrior; Book Three, The Defiant Magician; Book Four, The Triumphant Daughter; and Book Five, The Loyal Friend.

1925 New York. Arthur Kenzie's life's work is protecting the world from the supernatural relics that could destroy it. When an amulet with the power to control the tides is shipped to New York, he must intercept it before it can be used to devastating effects. This time, in order to succeed, he needs a powerful psychometric...and the only one available has sworn off his abilities altogether. Rory Brodigan's gift comes with great risk. To protect himself, he's become a recluse, redirecting his magic to find counterfeit antiques.

International best-selling author Anthony Horowitz's short story collection expands the universe of teen spy Alex Rider with more thrilling action, espionage, and pulse-pounding heroics. Inspired by Horowitz's millions of fans worldwide, Secret Weapon expands the world of Alex Rider with more thrilling action and pulse-pounding heroics. Follow Alex as he infiltrates a terrorist hideout in Afghanistan, fights to prevent an assassination attempt at a ski resort over Christmas, and much more!

From award-winning New York Times bestselling author Christopher Rice comes an evocative psychological thriller about a woman who must try to save her brother’s reputation and life when he is accused of being involved in a terrorist act.

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.

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?

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.