| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Castles of Wales | 978-1-905582-26-6 (1-905582-26-9) | 2008 |
| Mountains Wales Pocket Wales series | 978-1-905582-28-0 (1-905582-28-5) | 2008 |
G.E · P.E. · P.G. · P. Gill · Peter E. · Peter (Editor) · Peter G. · Peter Gill