Could Amy and Dan's biggest enemy be . . . a friend? Book 6 in the bestselling The 39 Clues series challenges everything you thought you knew about the Clue race. Fourteen-year-old Amy Cahill and her younger brother, Dan, head to the Land Down Under to discover what their own mother and father knew about the hunt for the 39 Clues. But following in their parents' footsteps brings up lost memories for Amy so awful that she can't share them . . . even with Dan. Haunted by the ghosts of their past, chased by deadly competitors, Dan and Amy can't see who is an enemy and who is a friend. Their blindness leads to a terrible mistake . . and the death of a hidden ally.

In Too Deep (The 39 Clues, Book 6)

The third installment in the mega-bestselling The 39 Clues series, now in graphic novel form! ATTENTION! Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair Oh. Could they have been foolish enough to make an alliance? Spies report that Amy and Dan seem to be tracking the life of one of the most powerful fighters the world has ever known. If this fearsome warrior was a Cahill, his secrets are sure to be well-guarded... and the price to uncover them just might be lethal.

39 Clues: The Sword Thief: A Graphic Novel (39 Clues Graphic Novel #3)

Book 3 in the #1 bestselling The 39 Clues series may just be the most thrill-packed yet! ATTENTION! Amy and Dan Cahill have been located once again, this time in the company of the notoriously unreliable Alistair Oh. Could they have been foolish enough to make an alliance?Spies report that Amy and Dan seem to be tracking the life of one of the most powerful fighters the world has ever known. If this fearsome warrior was a Cahill, his secrets are sure to be well-guarded . . . and the price to uncover them just might be lethal.

The Sword Thief (The 39 Clues, Book 3)

New secrets, new betrayals, new UNBELIEVABLE twists! 39 Clues Card Pack 3 shows the Cahills as you've never seen them before . . . and reveals ALL NEW CLUES! JOIN ANYTIME TO PLAY FOR THE CHANCE TO WIN! Just what is hidden in the Tower of London? What secrets lie in the desert city of Marrakech? What is the deadliest spider venom and how do the Lucians use it? The 39 Clues Card Pack 3 reveals the jaw-dropping secrets of the notorious Cahill family . . . as well as the location of the newest crop of Clues!

The 39 Clues Card Pack 3

The 39 Clues is unstoppable! The bestselling series returns with an adventure spanning four explosive books and a website that places readers right in the action. 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. The serum is missing and Dan and Amy have to get it back and stop who stole it . . . before it's game over. For everyone.

Nowhere to Run (The 39 Clues: Unstoppable, Book 1)

The graphic novel adaptation of the mega-bestseller that launched a global phenomenon! Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: "You have a choice - one million dollars or a clue." Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Marie Curie to Harry Houdini is related to the Cahills, yet the source of the family power is lost. 39 Clues hidden around the world will reveal the family's secret, but no one has been able to assemble them. Now the clues race is on, and young Amy and Dan must decide what's important: hunting clues or uncovering what REALLY happened to their parents.

39 Clues: The Maze of Bones: A Graphic Novel (39 Clues Graphic Novel #1)

The third of seven brand new 39 Clues stories, leading up to one explosive reveal. The Vespers are looking for new recruits and have targeted a few candidates: the Cahill children on the hunt for The 39 Clues. Uncover the Vespers' chilling plan to monitor the Kabras, the Holts, Jonah, and the Starlings, and learn who they picked as the most promising Vesper . . . and future Cahill traitor.

Hunted (The 39 Clues: Rapid Fire, Book 3)

The 39 Clues

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