A secret past can destroy the future. It all begins when Wade Kaplan receives a strange, coded email from his uncle Henry, shortly before the old man's sudden and suspicious death. He sets off for Germany to attend the funeral with his father, Roald, and his three friends Darrell, Lily, and Becca, only to discover that Uncle Henry left them yet another baffling message that they suspect is the key to figuring out how and why he died. The message leads to a clue, which sends them to a dark and creepy family tomb.

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.

As war rages in 1944, young army lieutenant Lucas Athan recovers a sarcophagus excavated from an Egyptian tomb. Shipped to Princeton University for study, the box contains mysteries that only Lucas, aided by brilliant archaeologist Simone Rashid, can unlock. These mysteries may, in fact, defy - or fulfill - the dire prophecies of Albert Einstein himself.

On a damp October night, beautiful young Ashley Cordova is found dead in an abandoned warehouse in lower Manhattan. Though her death is ruled a suicide, veteran investigative journalist Scott McGrath suspects otherwise. As he probes the strange circumstances surrounding Ashley’s life and death, McGrath comes face-to-face with the legacy of her father: the legendary, reclusive, cult-horror-film director Stanislas Cordova - a man who hasn’t been seen in public for more than 30 years.

Historian Rafael Ward is a good citizen, teaching students the government approved narrative of the nation's history. Until the black-baggers come calling. They have a job for him, one he's not allowed to refuse: Ward must go undercover as a Believer and smuggler to hunt down and destroy the artifacts he cherishes. Before he knows it, he's following fugitive Hannah MacKenzie on a fool's quest to recover the legendary Vase of Soissons, a Dark Age relic prophesized to restore faith to the world.

Nothing can save Alex Sennefer's life. That's what all the doctors say, but his mother knows it's not true. She knows that the Lost Spells of the Egyptian Book of the Dead can crack open a door to the afterlife and pull her son back from the brink. But when she uses the spells, five evil ancients - the Death Walkers - are also brought back to life. An ancient evil has been unleashed. Mummies are awakening. New York is overrun with scorpions. And worst of all for Alex, his mom and the Lost Spells have both disappeared.

Thirteen-year-old Jack Buckles is great at finding things. Not just a missing glove or the other sock but things normal people have long given up on ever seeing again. If only he could find his father, who has disappeared in London without a trace. But Jack's father was not who he claimed to be. It turns out that he was a member of a secret society of detectives that has served the crown for centuries - and membership into the Lost Property Office is Jack's inheritance.

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.

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.

Irresistibly drawn to mysteries, if only to debunk them, reporter Lionel Page exposes supernatural frauds, swindlers, and charlatans. His latest case is an obsession—at least for an ancient and wealthy heiress: verify the authenticity of a lost Edgar Allan Poe manuscript circulating through New York City’s literary underworld. But the shrewd Regina Dunkle offers more than money. It’s a pact. Fulfill her request, and Lionel’s own notorious buried past, one he’s been running from since he was a child, will remain hidden.

In this offering from Morris Award finalist Stephanie Oakes, three riveting points of view are woven together in a story that's part historical mystery, part contemporary coming-of-age, and completely unputdownable. When Molly gets a package leading her to Pepper, they're tasked with solving a decades-old mystery: find out who killed Ava back in 1989. Using Ava's diary for clues, Molly and Pepper realize there's more to her life - and death - than meets the eye. Someone is lying to them. And someone out there is guiding them along, desperate for answers.

Benvenuto Cellini, master artisan of Renaissance Italy, once crafted a beautiful amulet prized for its unimaginable power - and untold menace. Now the quest to recover this legendary artifact depends upon one man: David Franco, a brilliant but skeptical young scholar at Chicago's world-renowned Newberry Library.

Eight years ago, Elliott Nash’s daughter was murdered. Since then, everything the brilliant former criminal psychologist had is a memory - his child, his career, his wife, and his home. Now he lives on the streets around Washington, DC, with only a bottomless well of guilt and nightmares to make him feel alive. Until Amy Scowcroft solicits his help.

After the sudden death of her troubled mother, struggling Harvard grad student Kate Drayton walks out on her lecture - and her entire New England life. Haunted by unanswered questions and her own uncertain future, she flees to Charleston, South Carolina, the place where her parents met, convinced it holds the key to understanding her fractured family and saving her career in academics. Kate is determined to unearth groundbreaking information on a failed 1822 slave revolt - the subject of her mother's own research.

It was 1798 when the Morningstarr twins arrived in New York with a vision for a magnificent city: towering skyscrapers, dazzling machines, and winding train lines, all running on technology no one had ever seen before. Fifty-seven years later, the enigmatic architects disappeared, leaving behind for the people of New York the Old York Cipher - a puzzle laid into the shining city they constructed, at the end of which was promised a treasure beyond all imagining.