Zero Sum

When a drug overdose claims the life of someone close to Jonathan Grave, the black-ops veteran decides it’s time for a war on drugs that actually looks like a war—in another action-packed thriller from New York Times bestselling author John Gilstrap.

Jonathan Grave long ago lost faith in the so-called war on drugs, a futile campaign that enables cartels to make billions under the protection of corrupt officials on both sides of the border. But when a 12-year-old dies after consuming fentanyl...