| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| ELUSIVE: a Journey through the wild | 978-955-1115-01-2 (955-1115-01-5) | 2004 | Gehan Rajapakse · Palitha Antony · Sarinda Unamboowe |
| Encounters: A Journey Through the Wild | 978-955-1115-00-5 (955-1115-00-7) | 2004 | Gehan Rajapakse · Antony Palitha · Sarinda Unamboowe |