Incoming Resources
- Puffin Books, Harmondsworth, 1982, 1976
- Puffin Books, Harmondsworth, New York, 1978, c1962
- Penguin Books, Harmondsworth, New York, 1979, c1978
- Penguin, Harmondsworth, 1971
- Puffin Books, Harmondsworth, New York, 1976
- Puffin, Harmondsworth, 1982, c1981