Independently published · The Crowood Press Ltd
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| I'm Keeping the Head: ~ 1999 ~ | 978-1-5220-9077-9 (1-5220-9077-0) | 2017 |
| The Complete Caving Manual | 978-1-84797-146-3 (1-84797-146-6) | 2010 |
| The Complete Caving Manual | 978-1-86126-022-2 (1-86126-022-9) | 1997 |