A new enemy. An even deadlier challenge. The bestselling series returns with an adventure spanning 6 explosive books, 2 secret-filled card packs, and a website that places readers right in the action.

NARRATOR: David PittuFORMAT: 5 CDs, UnabridgedThe Clue hunt is over, but Amy and Dan Cahill's lives haven't exactly returned to normal. They know that the Cahills' historic rivals-the Vespers-have been waiting for the opportunity to strike. As the new Madrigal leaders, it's up to Amy and Dan to prepare the Cahills for attack, but their efforts aren't enough to stop the Vespers, a mysterious organization that includes some of the world's most dangerous criminals. In one devastating move, they kidnap a number of Cahills and then send Amy and Dan a strange message. If the kids can steal a famous painting and give it to the Vespers, they'll release one of the hostages.Suddenly, Amy and Dan find themselves in a new global race but this time, everything's different, Those closest to them might be working for the enemy, and Amy and Dan are forced to ask themselves how far they're willing to go.