Cover image not available
Originally published, New York: Dutton, 1970; London: Hutchinson, 1971.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Halic, the story of a grey seal by Ewan Clarkson. ISBN 0099058103. Published by Arrow Books in 1972. Publication and catalogue information, links to buy online and reader comments.