The Knights Templar were the most powerful military religious order of the Middle Ages, originally formed from nine comrades in 1118 to protect pilgrims in the Holy Land. Returning to Europe within a decade and sworn to poverty, chastity and obedience the Knights Templar rapidly gained wealth, lands and influence. Their influence at the height of their powers extended well beyond war, into diplomacy, politics and the banking and technology of the age. The book looks at the speculations, myths and mysteries of these legendary knights. It looks at controversial claims and conspiracies surrounding the Knights Templar and the likely truths behind them - such as whether they had guardianship or special knowledge of the Holy Grail. It also shows the historical legacy of the Templars today.