El código del emperador

By Gordon Korman

Subjects: Criptografía, Geneología, Ficción juvenil, Mystery and detective stories, Families, Genealogy, Familias, Fiction, Spanish language materials, Cryptography, Juvenile fiction, Historia, History, Family life, Code and cipher stories

Description: Amy and Dan are separated while trying to retrieve a clue which is guarded by thousands of soldiers and worry they cannot succeed apart.