* The Siege of Acre (1992): This novel tells the story of the siege of Acre in 1291, a pivotal moment in the Crusades.
* The Serpent's Kiss (1995): This book deals with the early days of the Crusades and features a young Richard the Lionheart.
* The Lion of Outremer (1997): This novel follows the life of King Baldwin IV, a leper king of Jerusalem who reigned during the 12th century.
* The Sword of the Crusader (1999): This book tells the story of the life of Godfrey of Bouillon, a prominent figure in the First Crusade.
* The Warrior's Call (2001): This novel delves into the life of Saladin, the great Muslim leader who faced off against Richard the Lionheart.
He has also written several other historical novels, including:
* The Crusader's Legacy (2004)
* The Templar's Blood (2006)
* The Lion's Trail (2008)
* The Crusades: A History in Ten Lives (2014)
If you are interested in reading any of his work, you can find his books on Amazon and other online retailers.