I can recommend this book. Has been working great for me.
Book & Online Video Clinics
The ultimate guide to training and understanding your horse – using co-operation and trust.
Step-by-step instruction for everything you’ve ever dreamed of being able to do with your horse
Over 300 colour photographs across 224 in-depth pages
Comprehensive guidance on leg handling, trailer loading, riding and leading problems
Free shipping worldwide
Instant access in PDF or classic hard-cover