Book 1: The Medusa Plot
Just when Amy and Dan Cahill think their family is safe, disaster strikes – seven Cahills are kidnapped by a shadowy group known only as the Vespers. Amy and Dan have only days to fulfill a bizarre ransom request or the captured seven will start dying. But even as the race to save the hostages begins, a sinister question looms: What are the Vespers really after?Get a sneak peak (PDF)
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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?