Oliver Jasny has star quality by the bucketload, and it takes him from gymkhanas to the heights of the dressage world. However, his sister, Kathryn, finds that there is a dark, and ultimately destructive, side to all this success.
Arlington, London, 1985
J A Allen, London, 1989 (pb)
as an ebook, 2017
Finding the book
Easy to find, and now available as an ebook.