Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history\'s greatest mysteries and their family\'s deadliest secrets. .. .
A secret that could cost Amy and Dan - and the world - everything .
Too bad there\'s a final, fatal secret the Madrigals haven\'t told them.
They have a plan to finish the Clue hutn on their own terms.
But Amy and Dan haven\'t survived explosions and assassination attempts for nothing.
Not only do they have to find the 39 Clues first, they\'re expected to reunite their backstabbing family - the same people who killed their parents.
The explosive finale to the #1 bestselling series! Fourteen-year-old Amy Cahill and her younger brother, Dan, have had enough.
But are they ready to face the truth about the Cahills and the key to their unmatched power? Consumable.
Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history\'s greatest mysteries and their family\'s deadliest secrets
