Crusade: Book One of The Chamber Series (Electronic book text)

Marc Gordon just wants to finish his degree and become established in the field of Archeology, but fate and a favor to his mentor, Professor Carson, intervene and sends him on a journey into the unknown and unexplored. Assisted by friends from the past and the Dean of Manchester University and Research, he becomes embroiled in more than just history. If you enjoy a mixture of themes, covering time travel, alternate dimension, alternate history, martial arts, all in one fast paced book, then you should read Crusade.