Books by Sean Martin.

Sean Martin is an Anglo-Irish writer and film director. He has written popular books on the Knights Templar and the Cathars, and appeared on History Channel documentaries such as Decoding the Past: The Templar Code and in Channel 5's Secrets of the Cross: The Trial of the Knights Templar.

Alchemy and Alchemists by Sean Martin

Andrei Tarkovsky by Sean Martin

The Cathars. The Most Successful Heresy of the Middle Ages by Sean Martin

The Gnostics. The First Christian Heretics by Sean Martin

The Black Death by Sean Martin

The Knights Templar. The History and Myths of The Legendary Military Order by Sean Martin