The explosive finale to the #1 bestselling series! Fourteen-year-old amy cahill and her younger brother, dan, have had enough. Not only do they have to find the 39 clues first, they're expected to reunite their backstabb...The explosive finale to the #1 bestselling series! Fourteen-year-old amy cahill and her younger brother, dan, have had enough. 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.