| Dangerous planet: the science of natural diasasters: vol. 1 - Avalanche to earthquake | Gale Group | Tiada | 2001 | |
| The natural world | Grange Books | Tiada | 2004 | 1-84013-726-6 |
| Soils in natural landscapes | | Tiada | 2014 | 978-1-4665-9435-7 |
| Natural language syntax | Oxford University Press | Tiada | 2009 | 978-0-19-923018-1 |