"E. K." · E. Kay · Ernie Et Al Kay · Ernie K
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Offa's Dyke Path North | 978-1-84513-312-2 | 2008 | Kathy Kay · Mark Richards |
| Offa's Dyke Path North | 978-1-85410-976-7 | 2004 | |
| Offa's Dyke Path South | 978-1-84513-561-4 | 2010 | Kathy Kay · Mark Richards |
| Offa's Dyke Path South | 978-1-84513-274-3 | 2007 | Kathie Kay · Mark Richards |
| Offa's Dyke Path South: Chepstow to Knighton | 978-1-85410-987-3 | 2004 | Kathy Kay · Mark Richards |