Colours and Markings: Threshold Picture Guide No 6 (Threshold Picture Guides)

Lameness (Threshold Picture Guides)

Functional Anatomy: Threshold Picture Guide No 43 (Threshold Picture Guides)

Fitting Tack: Threshold Picture Guide No 4 (Threshold Picture Guides)

Mouths and Bits (Threshold Picture Guides)

Conformation: How to Train Your Horse and Enjoy It (Threshold Picture Guides)

Safety (Threshold Picture Guides)

Schooling Principles (Threshold Picture Guides)

First Aid (Threshold Picture Guides)

Improving the Rider's Position (Threshold Picture Guides)

The Rider's Aids (Threshold Picture Guides, No. 20)