ISIS—the Islamic State of Iraq and Syria—has taken on the mantle of being the single most dangerous terrorist threat to global security since al-Qaeda. In , internationally renowned intelligence veteran and counter-terrorism expert Malcolm Nance, author of and the forthcoming , gives an insider’s view to explain the origins of this occult group, its violent propaganda, and how it spreads its ideology throughout the Middle East and to disaffected youth deep in the heart of the Western world. The group and its followers have struck repeatedly over the past few years: in Paris, Brussels, and Nice; at a center for developmental disabilities in San Bernadino, California; in the Pulse nightclub in Orlando, Florida. gives a step-by-step analysis of the street-level tactics the terrorists have employed in assaults against fortified targets, in urban combat, and during terrorist operations both at home and abroad. As much as ISIS is a threat to Western targets and regional stability in the Middle East, Nance describes not only its true danger as a heretical death cult that seeks to wrest control of Islam through young ideologues and redefine Islam as a fight to the death against all comers, but also how to defeat it. Updated throughout and featuring a new afterword, is a highly detailed look into the organization by one of the world’s foremost authorities in counter-terrorism