Dragon, London, pb 1977
Severn House, London, hb 1979
Simon & Schuster, London, hb and pb 1992
The Pony Patrol team decide to advertise their services, but it looks as though this might have backfired when they are threatened.
Pony Patrol S.O.S.
Pony Patrol Fights Back
Pony Patrol And The Mystery Horse
There is a short story called Pony Patrol Ends a Racket, published in Pony Parade in pb, 1978