The bestselling series returns with an even deadlier challenge, as a new enemy is revealed to be searching for The 39 Clues too... Amy and Dan's race to save the hostages continues. Where will it lead them next?
A surprising twist brings Amy and Dan back to New England for their first mission on U.S. soil since the beginning of the Clue hunt. But being close to home is anything but a comfort. This installment is from the Newbery Medal-winning author of "A Single Shard."