Harvard symbologist Robert Langdon and French cryptologist Sophie Neveu work to solve the murder of an elderly curator of the Louvre, a case which leads to clues hidden in the works of Da Vinci and a centuries-old secret society.
Widely regarded as "The Oldest Military Treatise in the World," this landmark work covers principles of strategy, tactics, maneuvering, communication, and supplies; the use of terrain, fire, and the seasons of the year; the classification and utilization of spies; the treatment of soldiers, including captives, all have a modern ring to them.
