"Two of America's leading experts on terrorism dissect the new model for violent extremism that the Islamic State, known as ISIS, has leveraged into an empire of death in Iraq and Syria, and an international network that is rapidly expanding. Stern and Berger offer a much-needed perspective on how world leaders should prioritize and respond to ISIS's deliberate and insidious provocations in this compelling, essential account."--Cover, p.4.

"Updated with new material on the latest global threats"--Cover.