Mission Titanic

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, and generals at his beck and call. Ian knows...

Breakaway

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.

Operation Trinity

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...

The Black Circle

Governments were toppled and rulers were killed during the last attempt to find the lost treasure Amy and Dan Cahill are searching for—do they even stand a chance?

The Maze of Bones

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...

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...

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