| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Pioneering on the Congo 2 Volume Set | 978-1-108-03197-4 (1-108-03197-8) | 2011 |
| Pioneering on the Congo 2 Volume Set: Pioneering on the Congo: Volume 1 | 978-1-108-03195-0 (1-108-03195-1) | 2011 |
| Pioneering on the Congo | 978-1-108-03196-7 (1-108-03196-X) | 2011 |