The Emperor's Code

The Emperor's Code is the eighth book in the 39 Clues series written by Gordon Korman. The story follows Amy and Dan Cahill, two young adventurers who are part of the world's most powerful family. In this installment, they travel to China to uncover a clue left behind by the last Chinese emperor, Puyi. However, they find themselves in a dangerous race against their own family members and must navigate through the Great Wall and the Forbidden City, deciphering ancient clues while avoiding traps at every turn.