The Arthashastra by Chanakya (Kautilya) New Modern Edition
Max Weber declared that compared to the Arthashastra, Machiavelli's "The Prince" is harmless. The Arthashastra -- "The science of politics and political economy" -- is an extended treatise on how to found and rule an empire. The author Chanyaka (also known as Kautilya) was the masterful advisor to ruler Chandragupta Maurya, the founder of the Mauryan empire, one of the greatest our world has ever seen.