I was told to come alone: my journey behind the lines of jihad

Prologue: Meeting ISIS: Turkey, 2014

Stranger in a strange land: Germany and Morocco, 1978-93

The Hamburg cell: Germany, 1994-2003

A country with a divided soul: Iraq, 2003-4

A call from Khaled el-Masri: Germany and Algeria, 2004-6

Even if I die today or tomorrow: Lebanon, 2007

The lost boys of Zarqa: Jordan, 2007

The value of a life: Algeria, 2008

Guns and roses: Pakistan, 2009

Mukhabarat: Egypt, 2011

This is not an Arab spring: Germany and Tunisia, 2011

Threats: Bahrain, Iran, and Germany, 2011-13

Boys for the Caliphate: Germany, 2013

Brides for the Caliphate: Germany and France, 2014-15

The search for an Islamist Beatle, or Finding Jihadi John: Britain, 2014-15

Terror comes home: Austria, France, and Belgium, 2015-16

Epilogue: The deepest cut: Germany and Morocco, 2016.