Ciphers 
Showing 1 - 6 of 6
There are a total of 432 valid entries on the list.
Author:
Series:
The 39 clues. Main series volume 4.
Average Rating:
4.4 stars
Description:
Amy and Dan are hot on the trail of the fourth Clue, but their ruthless relatives will stop at nothing to eliminate them from the competition. Their hunt leads them to an ancient city that has been a hotbed of Cahill activity for centuries. The clock is ticking for Amy and Dan.
Author:
Series:
The 39 clues. Main series volume 8.
Average Rating:
4.7 stars
Description:
As the race to find the 39 Clues builds to its explosive finish, Amy and Dan must explore an ancient culture and steal a Clue guarded by thousands of the world's best-trained soldiers. It's the most dangerous Clue search yet ... and it may mean the end for Amy and Dan.
3. In too deep
Author:
Series:
The 39 clues. Main series volume 6.
Average Rating:
4.6 stars
Description:
Amy and Dan cross the oceans on the trail of a famous aviator, but they find more than they're looking for. Their enemies are becoming more vicious, and the truths they discover more crushing than ever.
"Are some secrets better left buried? As Amy and Dan track the next clue to a remote corner of the world, they make shocking discoveries about the source of the Cahills' power and the mystery of their parents' deaths. And as the threat of the mysterious...
Author:
Series:
The 39 clues. Main series volume 10.
Average Rating:
4.9 stars
Formats:
Description:
Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...
Author:
Series:
The 39 clues. Main series volume 9.
Average Rating:
4.6 stars
Description:
When Amy and Dan learn the truth about the Madrigals and Grace Cahill's alternate will, these discoveries lead to the revelation of a secret about their family and a showdown with the man in black who has been following them.
Author:
Series:
The 39 clues. Main series volume 7.
Average Rating:
4.5 stars
Description:
When Amy and Dan Cahill trace the footsteps of a formidable military leader from the Cahill bloodline, they uncover a devastating secret about the family that changes everything.