| title | ISBN-13 | year of publication |
|---|---|---|
| Oral Literature of the Embu and Mbeere | 978-9966-46-407-1 | 1997 |
| Oral literature of the Kalenjin | 978-9966-46-891-8 | 1991 |
| Teaching of African Literature in the 21st Century | 978-3-8383-1378-8 | 2010 |
| The Significance of Oral Literature in Children?s Development: Social and Psychological Issues | 978-3-8383-0121-1 | 2009 |