| Titel | ISBN-13 | Erscheinungsjahr | 
|---|---|---|
| Beyond Witnessing: A New Way of Humanising the World | 978-3-631-64760-8 | 2013 | 
| Empowerment of the Catholic Laity in the Nigerian Political Situation: An Hermeneutical Reading of "Apostolicam Actuositatem</I> (The Decree on the ... II and its Application to Concrete Situations | 978-3-631-58182-7 | 2008 | 
| «OMUMU» - The Igbo Life-value: A Challenge to Human Life Issue Today: - An Analytical-Practical Approach | 978-3-631-58183-4 | 2008 | 
| The Hermeneutics of an African-Igbo Theology | 978-3-631-66455-1 | 2015 | 
| The Vatican II: The Laity and Today's Challenges | 978-3-631-61864-6 | 2011 |