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.

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.

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.

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.

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.

Since their mother's death, Carter and Sadie have become near strangers. While Sadie has lived with her grandparents in London, her brother has traveled the world with their father, the brilliant Egyptologist, Dr. Julius Kane. One night, Dr. Kane brings the siblings together for a "research experiment" at the British Museum, where he hopes to set things right for his family. Instead, he unleashes the Egyptian god Set, who banishes him to oblivion and forces the children to flee for their lives.

Jason has a problem. He doesn't remember anything before waking up on a school bus holding hands with a girl. Apparently she's his girlfriend Piper, his best friend is a kid named Leo, and they're all students in the Wilderness School, a boarding school for "bad kids." What he did to end up here, Jason has no idea—except that everything seems very wrong.

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.

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?

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.

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.

When a forgotten journal materializes decades after Drake Ramsey's father vanished in the Amazon jungle, Drake decides to follow in his footsteps and search for the legendary treasure of the Inca empire hidden in the lost Inca city of Paititi.

Aidan and Meg Falconer are their parents' only hope. The Falconers are facing life in prison -- unless Aidan and Meg can follow a trail of clues to prove their innocence. The problem? Right now they're trapped in a juvenile detention center. Until they escape one night -- and find themselves on the run, both from the authorities and from a sinister attacker who has his own reason to stop them.

Growing up, Bianca St. Ives knew she was different from all her friends. Instead of playing hopscotch or combing her dolls' hair, she studied martial arts with sensei masters and dismantled explosives with special-ops retirees. Her father prepped her well to carry on the family business. Now a striking beauty with fierce skills, the prodigy has surpassed the master.

The Team: Financed by a billionaire philanthropist, this elite team - a soldier, an historian, a computer whiz, a weapons expert, and a thief - is tasked with finding the world's most legendary treasures. The Mission: Fearing a German victory in WWI, the Romanian government signed a deal with Russia to protect the country's treasures. In 1916, two trains full of gold and the most precious possessions of the Romanian state - paintings, jewelry, and ancient artifacts - were sent to the underground vaults of the Kremlin....

Meet Jake Oliver. The day will come when he's one of the best cleaners in the business, a man skilled at making bodies disappear. At the moment, however, he's a 22 year old rookie cop, unaware his life is about to change. In a burning barn a body is found--and the fire isn't the cause of death. The detectives working the case have a pretty good idea about what went down. But Officer Oliver thinks it's something else entirely, and pursues a truth others would prefer remain hidden - others who will go to extreme lengths to keep him quiet.

Ann Blake, a rare-book expert and conservator, was imprisoned for a drunk-driving accident that she doesn't remember, one that resulted in the death of her husband, a famous rare-book expert. But she is freed from prison by CIA undercover agent Tucker Anderson in exchange for her help and expertise on the Library of Gold, a legendary collection of books that have been lost to the world for over a century.

From the time he was six years old, Van Shaw was raised by his Irish immigrant grandfather, Donovan, to be a thief - to boost cars, beat security alarms, crack safes, and burglarize businesses. But at 18 Dono's namesake and protégé suddenly broke all ties to that life and the people in it. Van escaped into the military, serving as an elite army ranger in Iraq and Afghanistan. Now, after ten years of silence, Dono has asked his grandson to come home to Seattle.

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.

Alex McKenna is the new Special Agent in Charge of the Chicago office of the Bureau of Preternatural Investigations - the division tasked with investigating crimes involving shades. Or vampires, as they're more widely known. Children have been going missing, and agents are routinely being slaughtered. It's up to McKenna, and some unlikely allies, to get to the bottom of the problem, and find the kids before it's too late.

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.

One minute Jake O'Connell is on top of the world, with a beautiful family and bright future as a stock broker in New York; the next it's all ripped away when he's embroiled in a fraud investigation, his childhood friend is murdered, and he finds himself on the run. Dodging the FBI and targeted by the Mob, Jake is thrown into a Wall Street underworld of crypto currencies and autonomous corporations, where he discovers a dark secret setting the world on a path to destruction.

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!

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.

A thrill-seeking Harvard linguistics professor and an ultrasecret branch of the Catholic Church go head-to-head in a race to uncover the secrets of the lost city of Atlantis. The ruins of the technologically advanced, eerily enigmatic ancient civilization promise their discoverer fame, fortune, and power...but hold earth-shattering secrets about the origin of man. While world-famous linguist and archaeologist, Thomas Lourds, is shooting a film that dramatizes his flamboyant life and scientific achievements, satellites spot impossibly ancient ruins along the Spanish coast.

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.