مجموعه: The 39 Clues: Cahills vs. Vespers
The Clue Hunt is Over, but now there’s a New Danger to the Cahill Clan, an enemy that was established before the siblings ever split, the Vespers. When they kidnap members of the Cahill family, the clue contestants must band together to find them and get them back.
A Spin Off to the Original 39 Clues Series
The 39 Clues