The Knight Templar (Swedish: Tempelriddaren) is the second book in Jan Guillou's The Knight Templar (Crusades trilogy) book series. This book follows the fictional character of Arn Magnusson as a Knight Templar in the kingdom of Jerusalem. The book starts in Arn's 27th year and ends as he departs the holy lands.At the age of 27, Arn is already a veteran in the Crusader army, when he faces the strangest experience a Knight Templar can have.