I recently found an interesting book about human relationship with horses. It is named “H.E.R.D.” by Tamara Svencer. It is available through Amazon, or through her web site. It is available to download free onto computers or digital readers eg. Kindle, Sony, or similar readers or it is around $20.00 to purchase a hard copy. I think even very experienced horse owners will find it worthwhile to take the time to read this book.