The Knights Templar: Their Rise and Fall is a historical book written by G. A. Campbell. The book provides a comprehensive account of the rise and fall of the Knights Templar, a medieval Christian military order that existed from the 12th to the 14th century. The author delves into the origins of the order, its founding, and its early years as a group of knights who were tasked with protecting Christian pilgrims traveling to the Holy Land.Campbell...