E. Ian Mercer · Ian' M. · Ian Marcourse · Ina Marquardt
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Collins New Naturalist Library - Dartmoor | 978-0-00-718500-9 | 2009 | |
| Dartmoor | 978-0-00-718499-6 | 2009 | |
| Exmoor: The Official National Park Guide | 978-1-898630-15-9 | 2001 | Brian Pearce |
| North York Moors: The Official National Park Guide | 978-1-898630-38-8 | 2001 | Ian Sampson |
| Pembrokeshire Coast | 978-1-898630-14-2 | 2001 | Alf Alderson · John Cleare |
| Volcanoes | 978-0-565-09138-5 | 1999 | Susanna Van Rose |
| Yorkshire Dales: The Official National Park Guide | 978-1-898630-39-5 | 2001 | Colin Speakman |
David & Charles · HarperCollins · The Natural History Museum