Forced to flee his home to uncover the secrets hidden in a coded book, sheltered orphan Gabe discovers a world of danger, intrigue, adventure and unexpected friendship.

In the second Ateban Cipher novel, Gabe and his companions journey to a remote mountain citadel where they learn the secret of the mysterious, encrypted book that Gabe has been tasked with protecting. But their enemies are close behind them, and new dangers lie ahead. The gripping and astonishing conclusion to The Ateban Cipher duology.