The Sword Thief

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...

Superspecial: Outbreak

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

Mission Hurricane

The blockbuster series continues with a Cahill family member from the past bent on revenge! Who is the Outcast and why is he threatening the lives of innocent people? Book 3...

Flashpoint

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.

Trust No One

A surprising twist brings Amy and Dan back to New England for their first mission on U.S. soil since the beginning of the Clue hunt. But being close to home is anything but a...

Storm Warning

Throughout the hunt for the 39 Clues, Amy and Dan have encountered some of the darkest aspects of history . . . and had to deal with the role their family played. But are they...

Beyond the Grave

Amy and Dan are whisked away to an ancient city in the thrill-packed 4th installment of The 39 Clues.

Mission Hindenburg

Never turn your back on the Cahills...The most powerful family history has ever known returns with a vengeance in The 39 Clues: Doublecross! The Cahills are the world's most...

Countdown

Life or DeathThe clock has run out for thirteen-year-old Dan Cahill. As head of the most powerful family the world has ever known, he and his older sister, Amy, have been in the...

The Dead of Night

Amy and Dan have managed to rescue one of the Cahills kidnapped by the Vespers, but the remaining hostages are still in peril. Their search for the next ransom item leads Amy and...

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