The 39 Clues gets treacherous. Book 6 takes Amy and Dan across oceans on the trail of a famous aviator, but they find more than they're looking for. Their enemies are becoming more vicious, and the tr
Bestselling author Jude Watson whisks Amy and Dan to the tombs of Egypt in the thrill-packed 4th installment of the 39 Clues. A Clue found in Book 3 sends Amy and Dan jetting off to find out just what
