The Resurrection of the Hashashins

The novel begins with a university archaeology professor who goes to a scientific seminar in Yemen with one of his friends, and during this period he takes advantage of his presence there to meet the "Batiniyah" group to consult them about some "psalms" related to their sect, which he found buried in a grave in his garden while carrying out some repairs! The group is surprised by their leader's heritage and the secrets of their sect that no one is allowed to reveal, and from here the game begins! Number of pages: 419 pages