I have read some but wanting to see if there's any others that I have missed that are non fiction horse books. TIA. List that I have read:
Unbreakable – Richard Askwith
Taking Shergar – Milton Toby
Sgt Reckless – Robin Hutton
The Perfect Horse – Elizabeth Letts (I also DNF'd one of her other ones)
Bloodlines by Melissa Del Bosque
by spintwoways