About this item
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 .
About the Author
C. Alexander London (www.calexanderlondon.com) is the author of Proxy and Guardian, and the middle grade series The Accidental Adventures, Dog Tags, and Tides of War. A former journalist and children's librarian, Alex is now a full time writer in Brooklyn. You can follow him on Twitter at @ca_london.
