His research focuses on Salafism and Islamism in the Middle East, particularly in Jordan, Saudi Arabia and the Palestinian territories, on which he has published extensively. Wagemakers’ books include A Quietist Jihadi: The Ideology and Influence of Abu Muhammad al-Maqdisi (Cambridge: Cambridge University Press, 2012); Salafism: Utopian Ideals in a Stubborn Practice (Almere: Parthenon, 2014; co-authored with Martijn de Koning and Carmen Becker (in Dutch)); Salafism in Jordan: Political Islam in a Quietist Community (Cambridge: Cambridge University Press, 2016). Wagemakers also blogs at Jihadica.com and co-edits ZemZem, a Dutch-language journal on the Middle East, North Africa and Islam.