The 39 clues Cahill vs Vespers

                    Cahill vs Vespers tell the story of old enemies, the Cahill which is the most powerful family in the world and the Vespers, the clan which is full of spies, murderers and thieves. The Vespers want to ruin the Cahill family. To do it, they kidnap 7 members of the Cahill family, and make Amy and Dan do things so that they don't kill the hostages. What Amy and Dan did not know is that all of the things that they were stealing were the pieces of a machine that would destroy the world. What do you think is going to happen? Will the hostages be alive, or dead? Will the world get closer and closer to an end? Read Cahill vs Vespers to discover it.