Stephen O'Shea

title	media type	ISBN-13	year of publica- tion
Back to the Front: An Accidental Historian Walks the Trenches of World War 1	Paperback	978-0-8027-7618-1	2001
Sea of Faith	"	978-1-86197-581-2	2007
Sea of Faith: Christianity and Islam in the Medieval Mediterranean World	Hardcover	978-1-55365-179-6	2006
Sea of Faith: Islam and Christianity in the Medieval Mediterranean World	Paperback	978-0-8027-1517-3	2007
Sea of Faith: Islam and Christianity in the Medieval Mediterranean World	Hardcover	978-0-8027-1498-5	2006
The Perfect Heresy: The Life and Death of the Cathars	Paperback	978-1-86197-350-4	2001
The perfect heresy: The revolutionary life and death of the medieval Cathars	"	978-1-55054-873-0	2001
The Perfect Heresy: The Revolutionary Life and Spectacular Death of the Medieval Cathars	"	978-0-8027-7617-4	2001
Voice of Outrage: Friar Bernard Délicieux, the Man Who Shouted Down the inquisition	Hardcover	978-1-84668-319-0	2011
Voice of Outrage: Friar Bernard Délicieux, the Man Who Shouted Down the Inquisition	"	978-1-84668-338-1	2011