- Drug War Heresies: Learning from Other Vices, Times, and Places (RAND Studies in Policy Analysis)
- Disorganized Crime: Illegal Markets and the Mafia (Organization Studies)
- An Analytic Assessment of US Drug Policy (Aei Evaluative Studies)
- Cannabis Policy: Moving Beyond Stalemate
- Springer Kompaktwvrterbuch Medizin / Concise Medical Dictionary - Deutsch-Englisch / English-German