Doublecross Mission Atomic

The book follows the story of a young secret agent, who is tasked with stopping a deadly nuclear weapon from falling into the wrong hands. The protagonist must navigate a world of espionage, danger, and betrayal to save the world from a catastrophic disaster. The thrilling conclusion to 39 Clues Part VI: Doublecross, reveals a Cahill family member from the past is bent on revenge. Confidential until July 2016!