Introduction - Islamism and social movements in North Africa, the Sahel and Beyond: transregional and local perspectives Aurelie Campana and Cedric Jourde The Constrained Institutionalization of Diverging Islamist Strategies: The Jihadis, the Muslim Brotherhood, and the Salafis between two Aborted Egyptian Revolutions Jerome Drevon The Egyptian Muslim Sisterhood between Violence, Activism and Leadership Erika Biagini Disillusioned militancy: the crisis of militancy and variables of disengagement of the European Muslim Brotherhood Samir Amghar and Fall Khadiyatoulah Between social contention and takfirism: the evolution of the Salafi-jihadi movement in Tunisia Fabio Merone Contention, Violence and Stalemate in Post-War Libya George Frederick Willcoxon Alliances of convenience: assessing the dynamics of the Malian insurgency Adib Bencherif and Aurelie Campana Betrayal, Heresy, Exile and Mystical Attacks: The Cost of Changing Islamic Affiliation in an Ethnicized Society (Mauritania and Senegal) Cedric Jourde Senegal’s Arabic literates: from transnational education to national linguistic and political activism Marie Brossier