R. H. · Rob Humphreys · Rob Humphries · Robb Humphreys
ECO Publishing · ECO/Serpent's Tale NHBD
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Crested Gecko in Captivity (With Notes on All 'Rhacodactylus' Species | 978-0-9767334-7-8 (0-9767334-7-1) | 2005 |
| Leopard Gecko in Captivity | 978-0-9713197-8-3 (0-9713197-8-2) | 2004 |