In 2012, he published Banlieue de la République,[21] a survey of the 2005 French Banlieues riots in the Clichy-Montfermeil area, north of Paris, whence the events sparked. The study was based on one-year participant observation on the premises with a team of students, in cooperation with Institut Montaigne think-tank. A sequel, Quatre-vingt treize[22] (or “93” from the postal code of the Seine Saint Denis district north of Paris) designed a more general perspective on Islam in France, 25 years after Kepel's seminal Les banlieues de l’Islam.