Brand new game cards reveal the most dramatic Cahill secrets yet
IT'S NEVER TOO LATE TO JOIN THE HUNT
The hunt for the 39 Clues approaches its explosive finale. Card Pack 4 contains all the information you need to find the remaining Clues and solve the mystery of the Cahills' power. What secrets have the elusive Madrigals been hiding for centuries? What really happened to Amy and Dan's parents? The shocking answers and more can be found inside the 39 Clues Card Pack 4: End Game.
