H.G. · P.G. · P. H. · P. Henry
| title | ISBN-13 (ISBN-10)  | year of publica- tion  | other author(s) | 
|---|---|---|---|
| Mallorca: Interactive Walking Guide - 70 Walks | 978-82-92421-03-1 (82-92421-03-3)  | 2004 | Emma Arthur | 
| Tenerife - Interactive Walking Guide: 70 Walks | 978-82-92421-04-8 (82-92421-04-1)  | 2005 | " |