An alarming and enlightening first-hand account of what’s really going on behind the borders of the Islamic State.ISIS, IS, the Islamic State. The name is chilling. The images are horrific. This is a group that beheads journalists—and yet one, the German Jürgen Todenhöfer, went out of his way to get an invitation to visit ISIS fighters in Mosul in 2014 to ask them to explain their beliefs. This book is the result of his conversation. My Journey into the Heart...