| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Britain's Great Waterways Outdoors | 978-0-9560699-3-1 | 2011 | Phillippa Greenwood · Martine O'Callaghan |
| Cool Canals Pub Days Out | 978-0-9560699-2-4 | 2010 | Phillippa Greenwood · Martine O'Callaghan |
| Cool canals The Guide: Slow Getaways and Different Days | 978-0-9560699-0-0 | 2009 | Phillippa Greenwood · Martine O'Callaghan |
| Cool Canals Weekend Walks | 978-0-9560699-1-7 | 2010 | Phillippa Greenwood · Martine O'Callaghan |
M.C. · M. Callaghan · M. O. · M. O'Callaghan · Martine Callaghan · **O.C.** · O'Callaghan