From efficient instructions on how to kill civilians to horrifying videos of beheadings, no terrorist organization has more comprehensively weaponized social me

What is ISIS? A quasi-state? A terrorist group? A movement? An ideology? As ISIS has transformed and mutated, gained and lost territory, horrified the world and

Based on interviews with Islamic State insiders, Abdel Bari Atwan reveals the origins and modus operandi of the fastest-growing and richest terrorist group in t

A sober analysis of IS's media and propaganda output, essential for understanding what drives the movement.

A revelatory look inside the world's most dangerous terrorist group. Initially dismissed by US President Barack Obama, along with other fledgling terrorist grou