This path-breaking collection of papers examines the phenomenon of jihadist insurgent movements in the Middle East and North, East and West Africa. It argues that military and strategic analysts have paid insufficient attention to the phenomenon of jihadism in insurgent movements, partly due to a failure to take the role of religion sufficiently seriously in the ideological mobilisation of recruits by guerrilla movements stretching back to the era of "national liberation" after World War Two. Several essays in the collection examine Al Qaeda and ISIL as military as well as political...