One false note

"The race is on to find 39 clues that safeguard a great power, and fourteen-year old Amy Cahill and her younger brother, Dan, are shocked to find themselves in the lead. The search seems to be taking them to Vienna, and they hold a coded piece of Mozart's sheet music that's key to fin...

Full description

Main Author: Korman, Gordon.
Other Authors: Pittu, David., Rapkin, David.
Format: Audiobooks Audiobook (CD)
Language: English
Published: New York : Scholastic Audiobooks, p2008.
Edition: Unabridged.
Series: 39 clues ; #02
Subjects:
Online Access: Go to Downloadable Audiobook Here.