This book relates Hannibal's campaign against the Roman Republic beginning in 218 BC in which he crossed the Alps with a big force including elephants. The book also covers Scipio Africanus's campaigns in Spain and North Africa and the ultimate confrontation between Carthage and Rome at Zama in 201 BC. There are also descriptions of the history and characteristics of Carthage and Rome and the reasons that Rome emerged as the dominant power in the Mediterranean.