I believe this is the business he started, now run by his son? Perhaps they have copies of his book for sale?
http://www.sportsmassageinc.com/Cont…tsMassage2.htm
Did you contact the airline and ask about their ‘lost and found’?
I had that book years ago, I’ll look in the attic when temps allow.
If you Google 'Jack Meagher beating muscle injuries for horses
there is a site www.eec-equine-therapy.com/Meagher,html listed.
If you click the google link it takes you to a down load of the book, but the link I post does not and I can’t make it work.