Abridged ed. originally published, New York: Hill and Wang, 1965. Originally published as 'Sur la piste des bêtes ignorées', 2 éd. Paris: Plon, 1962.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
On the track of unknown animals by Bernard Heuvelmans. ISBN 0586080090. Published by Paladin in 1970. Publication and catalogue information, links to buy online and reader comments.
