Dressage
Recommended reading for the United States Dressage Federation's Instructor Certification Program.
In Germany, this great book has gone through four very successful editions and it's now available in English! Aimed at intermediate and advanced riders, this book offers no shortcuts, but instead a systematic approach built on tried and true principles of training handed down through the ages. There are definitely no shortcuts offered here, but a systematic approach built on tried and true principles of training handed down through the ages.
The author leads the reader progressively to the higher levels in a logical and often witty approach. Excellent line drawings clarify and enhance the text, making this one of the most readable books on dressage available.