Amy and Dan go off on a wild chase in Book 2 of the highly anticipated 39 Clues series. Amy and Dan Cahill were spotted on a train, hot on the trail of one of 39 Clues hidden around the world. Police report a break-in at an elite hotel, and the suspects also sound suspiciously like Amy and Dan. Amy and Dan have been seen in a car...no, in a speedboat chase...! They're being chased by an angry mob. When there's a Clue on the line, anything can happen.
