For 500 years, the Cahills have been the most powerful family in the world. For 500 years, they've protected the source of their power - the 39 Clues. And for 500 years, they've kept their secrets silent. Until now. This extraordinary stand-alone novel cracks open the Cahill vault to tell the... read more
Part 1 Ghent, 1566
Part 2 Massachusetts, 1945
Part 3 London, 2008
Followed by The Submarine Job.
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