D.F. ยท Debbie Farr
| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Guide to the Garden Birds of Britain and Northern Europe | 978-1-84442-032-2 (1-84442-032-9) | 2009 |
| Field Guide to the Bird Songs and Calls of Britain and Northern Europe | 978-1-84442-042-1 (1-84442-042-6) | 2008 |