| title | ISBN-13 | year of publication |
|---|---|---|
| Elements of African Bioethics in a Western Frame | 978-9956-578-15-3 | 2010 |
| I Spit on their Graves. Testimony Relevant to the Democratization Struggle in Cameroon | 978-9956-616-26-8 | 2010 |
| No Trifling Matter. Contributions of an Uncompromising Critic to the Democratic Process in Cameroon | 978-9956-717-47-7 | 2011 |
| Road Companion to Democracy and Meritocracy. Further Essays from an African Perspective | 978-9956-616-70-1 | 2010 |