Original: Sean Martin , The Knights Templar , p. 13 He has been an editor for The Journal of Medieval History and written many articles on the Templars , the Cathars , various elements of the Crusades , and the reign of Philip IV of France .
Simplified: He is considered to have written the two most comprehensive books on the subject , The Trial of the Templars (/O1978/O) and The New Knighthood : A History of the Order of the Temple (/O1994/O) .