Hannah Templer

Amy and Dan Cahill have already made the absolute biggest decision of their entire lives. They walked away from a guaranteed million dollars to join a secretive, incredibly dangerous global competition to hunt down the 39 Clues. After barely escaping their first mission in Paris with their lives, the siblings are now on the run and headed straight for Vienna, Austria. This time, the clues are pointing toward their famous ancestor, the legendary composer Wolfgang Amadeus Mozart. But to uncover the truth, Amy and Dan must dig into the long-buried secrets connected to his equally talented but completely overlooked sister, Nannerl. The search leads them on a wild chase through historic concert halls, dark underground tunnels, and beautiful palaces. Brought to life in an action-packed graphic novel format, you will feel the intense rush as Amy and Dan try to stay one step ahead of their ruthless, power-hungry relatives. With dangerous enemies closing in from every side, the brother and sister must decide exactly how much they are willing to risk to find the next clue, and who they can actually trust.