Imam Ali
1997
In the Name of God: A Holy Betrayal
2023
Thérèse, La Petite Sainte de Lisieux
—
Canterbury Cathedral
2014
Bible Hunters
2014
The Monastery
2006
Die Juden - Geschichte eines Volkes
2007
Jesus Conspiracies
2012
In Search of Holy Treasures
2009
Leah Remini: Scientology and the Aftermath
2016
A History of Christian Worship
2010
Corpus Christi
1997
L'Apocalypse
2008
Origin of Christianity
2004
The Story of the Prophets
2012
Jesus: The Complete Story
2004
Religious biographies
—
The Monastery
2005
Divine Women
2012
Muslim Matchmaker
2025