| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Emerald Labyrinth: A Scientist's Adventures in the Jungles of the Congo | 978-1-5126-0097-1 (1-5126-0097-0) | 2017 | |
| The Amphibians and Reptiles of El Salvador | 978-1-57524-252-1 (1-57524-252-4) | 2005 | Gunther Kohler · Milan Vesely |