The Viper's Nest (The 39 Clues, Book 7)
Scholastic Inc., February 2010. Hardcover. The most dangerous secret in Amy and Dan's past is unveiled in Book 7 of the #1 New York Times bestselling series. The hunt for 39 hidden Clues that lead to an unimaginable power have taken a heavy toll on fourteen-year-old Amy Cahill and her.....