From the New York Times bestselling author of The Cartel comes an explosive novel about the drug trade that immerses you deep into a world rife with corruption, betrayal, and bloody revenge. The prequel to The Cartel, set about 10 years earlier, The Power of the Dog introduces a brilliant cast of characters. Art Keller is an obsessive DEA agent. The Barrera brothers are heirs to a drug empire. Nora Hayden is a disillusioned teenage girl who becomes a high-class prostitute. Father Parada is a powerful and incorruptible Catholic priest. Callan is an Irish boy from Hell's Kitchen who grows into a ruthless hitman. They are all trapped in the world of the Mexican drug federation. From the streets of New York to Mexico City and Tijuana to the jungles of Central America – this is the drug war like you've never seen it before.