Book 3: The Dead of Night
The Vespers have crossed a line. Amy and Dan were devastated when the Vespers kidnapped seven Cahills around the world, holding them hostage until Amy and Dan delivered an impossible ransom. But at least the hostages were Cahills - members of the world's most powerful family, trained to face all odds.
Now the Vespers have gone too far.
They've kidnapped Atticus, an innocent 11 year old boy and Dan's only friend. Now Dan and Amy are in the struggle of their lives. Because if they can't outwit the Vespers, the unthinkable will happen . . . Atticus will die.
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The 39 Clues is a storytelling adventure that leaps across books, cards and this website to put YOU at the center of the action. You are a member of the Cahills, the world’s most powerful family. The source of the power has been hidden across the globe in the form of 39 Clues. In the first series, The Clue Hunt, your mission is to find the 39 Clues – at any cost. The series kicks off with Book 1: The Maze of Bones by Rick Riordan. The second series is Cahills vs. Vespers, which introduces you to a deadly enemy hiding in the shadows. Your mission is to stop the Vespers – before the world pays the price. Cahills vs. Vespers launches with Book 1: The Medusa Plot by Gordon Korman. Do you have what it takes?