This translation originally published, New York: Sterling, 1960; and as 'From caterpillar into butterfly', Edinburgh: Oliver and Boyd, 1960. Originally published as 'De la chenille au papillon'. Paris: Flammarion, 1955.
A butterfly is born by Jean Pierre Vanden Eeckhoudt. ISBN 0806935073. Published by Sterling in 1971. Publication and catalogue information, links to buy online and reader comments.