Natalie Standiford
The 39 Clues: Unstoppable 3
eBook
(Scholastic Fiction May 1, 2014)
, 1 edition
The bestselling series returns with an even deadlier challenge, as a new enemy is revealed to be searching for The 39 Clues too... Amy and Dan's race to save the hostages reaches its thrilling conclusion. Who will be victorious? The Cahills or the Vespers?