Hilary Vernon

The Allen Illustrated Guide to Harness and Bits (Allen Illustrated Guides)

2007

The Allen illustrated guide to saddlery

2004

The Allen Illustrated Guide to Saddlery (Allen Illustrated Guides)

2003

Allen Illustrated Guide to Horse Clothing

2001

Guia Tutor de Ayudas Para El E

Guia Tutor de Ayudas Para El Entrenamiento del Caballo

2001

The Allen Illustrated Guide to Training Aids

1999

The Allen Illustrated Guide to Bits and Bitting (Allen Illustrated Guides)

1998