This book is a case study of Islamist women activists in Hizb al-Tahrir al-Islami (the Islamic Liberation Party), a transnational Islamist organization aiming at re-establishing the historic Islamic Caliphate which is seen as the only legiti mate form of state. The case study was conducted in Beirut, Lebanon.§Given the scarcity of analytical studies on Hizb al-Tahrir, this study contributes by asking what mobilizes collective action in Hizb al-Tahrir and how far the established social move ment theories can lead to an understanding of social mobili zation in Hizb al-Tahrir.§Using...