| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Explorations in African Political Thought: Identity, Community, Ethics | 978-0-415-92767-3 (0-415-92767-6) | 2001 |
| Hirut and Hailu and Other Short Stories | 978-1-56902-392-1 (1-56902-392-1) | 2014 |
| Zara Yacob: A Seventeenth Century Rationalist: Philosopher of the Rationality of the Heart | 978-1-56902-212-2 (1-56902-212-7) | 2005 |