THE 39 CLUES : MISSION HINDENBURG 1ST ED HC – C. ALEXANDER 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 them an impossible test. He s recreating four of history s worst disasters and challenging the young Cahills to find and stop the tragedies before it s too late. Now, with one disaster behind them, siblings Dan and Amy Cahill and their friends have just days to discover what the Outcast s next move will be. Their frantic search seems to be pointing toward a terrifying air disaster, the explosion of the Hindenburg airship. But no one travels by airship anymore — what do the Outcast s cryptic messages mean? The young Cahills must split up and take to the skies to try to find the answer . . . before their whole world comes crashing down.