Hannibal: A Wicked History

From the back of the book:

Rome's Worst Nightmare

As a child, Hannibal swore to make an enemy of one of the most powerful nations on earth. He spent his life living up to the promise.

He marched 60,000 men across the frozen Alps into Rome. He ransacked the countryside and outfoxed the great Roman legions. He left fields in ruins and villages in flames.

All across the land, he made the Romans dread the sound of one familiar phrase:

Hannibal is at the gates!