39 Clues Graphix #2: One False Note (Graphic Novel Edition)

After barely escaping Paris, Amy and Dan are now in Vienna to discoverthe truth about their famous ancestor, Wolfgang Amadeus Mozart,and the long-buried secrets connected to his overlooked sister,Nannerl. But with their enemies closing in, Amy and Dan mustdecide how much they're willing to risk, and who they're willingto betray.