| title | ISBN-13 | year of publication |
|---|---|---|
| GUÍA TUTOR DE AYUDAS PARA EL ENTRENAMIENTO DEL CABALLO | 978-84-7902-294-5 | 2001 |
| The Allen Illustrated Guide to Bits and Bitting | 978-0-85131-725-0 | 1999 |
| The Allen Illustrated Guide to Harness and Bits | 978-0-85131-890-5 | 2007 |
| The Allen Illustrated Guide to Horse Clothing | 978-0-85131-792-2 | 2001 |
| The Allen Illustrated Guide to Saddlery | 978-0-85131-869-1 | 2004 |
| The Allen Illustrated Guide to Training Aids | 978-0-85131-760-1 | 2000 |