The Dictionary of Islam and Islam offers a synthesis of the doctrinal, historical, social, political and cultural aspects of Islam, influencing its ideological transformation by Islamism. Its more than five hundred entries cover Arab Islam as well as other Islamic traditions: Iranian, African or Indian. By paying attention to both the classical meanings of the concepts, thanks to the knowledge of the Koranic sources and other original texts, as well as to the voices in their contemporary context, it is an indispensable tool of information and reflection for the knowledge of Islam and the analysis of the Islamist agendas, the jihadist and the integrated in the system.