Most Popular Books
- Secularism and Religion-Making
- Writing Religion: The Making of Turkish Alevi Islam
- APAB/4 - Programmiersprache der SAP: "Advanced Business Application Programming, 4th generation language
- S/T-Systeme (Petri-Netze mit anonymen Marken)
- Sufis in Western Society: Global Networking and Locality (Routledge Sufi Series)