Where does Jack hide the documents he accumulates in the novel, Youngblood?

Jack's copy of Seven Pillars of Wisdom represents the intricacies of desert life as well as secrecy. As the hiding place for all of Jack's ill-gotten documents, the book serves as a repository for the hidden truths surrounding Ashuriyah. it is also representative of the complex nature of a foreigner living in the desert, as the book itself is an account of a British soldier living among Arabs who are engaged in a conflict with one another.