ISIS / Weiss, Michael

ISIS has proved itself the greatest terrorist threat in the world today. The authors explain how these violent extremists evolved from a nearly defeated Iraqi insurgent group into a jihadi army of international volunteers who are spreading violence and mayhem across the globe.

Examines the origins of the terrorist group ISIS, from Abu Musab al-Zarqawi, leader of "al-Qaeda in Iraq," to Abu Bakr al-Baghdadi and the formation of ISIS out of the remnants of al-Qaeda in Iraq. Explores ISIS's goals to create a new Islamic caliphate.