When two supremely powerful political rivals lock horns in a clash of personality and ideology, they can change the course of human history. Great Rivals in History brings to life the drama of history’s most vicious political feuds, ranging through centuries and across the globe. Impeccably researched and utterly compelling, this book profiles a remarkable cast of implacable foes, and reveals how their tug-of-war over ultimate power and glory shaped the wider history of the world.