'The story is based on a South American folktale called "Which was stronger, the tortoise, the tapir or the whale?" from a version by C.F. Hartt.' - title page verso.
Originally published, New York: Bradbury Press, 1971.
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The tortoise's tug of war by Giulio Maestro. ISBN 0333133447. Published by Macmillan in 1972. Publication and catalogue information, links to buy online and reader comments.
