Collins, London, 1959, illus Sheila Rose
Children’s Book Club, 1961
Portway Junior Reprints, 1971
This is set on Romney Marsh, but isn’t a Tamzin story. A killer dog is attacking the local sheep, and suspicion falls on two dogs: Glen, and Lion. The Hawkes family are determined to prove Glen isinnocent, and wait out on the Marsh to try and discover which dog is the attacker.