The 39 Clues Doublecross #2: Mission Hindenburg

Alexander C. London

Never turn your back on the Cahills ...The most powerful family history has ever known returns with a vengeance in The 39 Clues: Doublecross! The Cahills are the world's most powerful family, but their strength is being tested. A sinister man calling himself The Outcast has targeted the family and set t...