"The ABC of Breaking and Schooling Horses," by British author Josephine Knowles was published in 1993 as a guide to handling and training young horses. The Table of Contents is as follows:
Section 1: Educating the Young Horse
Chapter 1: Foal to Yearling
Chapter 2: The Yearling
Chapter 3: The Two-Year Old
Chapter 4: The Three Year Old
Chapter 5: The Four Year Old
Section 2: Working With Young Horses
Chapter 6: Assessing and Handling Youngsters
Chapter 7: Development
Chapter 8: Buying a Young Horse
Chapter 9: Environment
Chapter 10: Travelling Your Young Horse
Chapter 11: Reschooling
Chapter 12: Fitting Tack
Chapter 13: Feeding Youngsters
Chapter 14: Advice for the Rider and Trainer
The information in the book strikes me as quite practical, written by someone with a great deal of experience and good common sense. You can obtain the book online from Knight Equestrian Books at:
http://www.equisearch.com/bookstore
The phone number for this bookseller is (207) 882-5494.