The Emperor's Code
Popularity 24
Amy and Dan are separated while trying to retrieve a clue which is guarded by thousands of soldiers and worry they cannot succeed apart.
nyt:series_books=2010-05-01New York Times bestsellerFamily secretsBrothers and sistersJuvenile fictionCiphersFictionCode and cipher storiesAdventure storiesOrphansMystery and detective storiesChildren's fiction