When her younger brother Dan's life hangs in the balance, Amy Cahill must make a terrifying decision between saving him by unleashing a dangerous evil into the world, or losing him forever. Includes six game cards and a link to additional online information about "The 39 Clues" series.
year: 2014
call number/section: 1000, 39
subjects: adventure stories, brothers and sisters, fiction, adventure fiction, siblings, mystery fiction