| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Agilice su mente | 978-84-95456-84-7 (84-95456-84-2) | 2002 | Philip Carter |
| Caballos - Razas y Procedencia | 978-84-7386-956-0 (84-7386-956-7) | 2000 | |
| Il cane da pastore | 978-88-86170-98-7 (88-86170-98-X) | 1993 | |