Limited ed. of 300 numbered copies, of which nos 1-50 are signed by the author.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Forward from Hugh MacDiarmid, or, Mostly out of Scotland : being fifteen years of Duncan Glen, Akros Publications 1962-1977 by Duncan Glen. ISBN 0900036907. Published by Akros Publications in 1977. Publication and catalogue information, links to buy online and reader comments.
