Burke, London,1963, illus Enid Ash
As The Pony Dopers, Dragon pb 1970s
Goodchild, Aylesbury, hb 1987
Miss Lewis’s new horse, Romany ought to win the jumping but he doesn’t. He’s obviously been doped and the riding school children have to find out who’s responsible.
Riding School Trilogy
The Empty Field
The Open Gate
The Doping Affair (later published as The Pony Dopers)