Having laid claim to a vast portion of Syria and Iraq, the militant Islamist group ISIS (known alternatively as ISIL or DAESH) has eclipsed al Qaeda to become one of the West’s most worrisome enemies. Even now, the sect’s black-clad warriors are holding an entire population at gunpoint, while continuing to expand the borders of its self-described caliphate.
Where did ISIS come from? What do they want? Why do they do what they do? Here are ten of the best books on ISIS so far to answer these questions and more.