Cover image not available
Originally published, New York: Delacorte Press, 1968; London: Longman Young, 1970.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
The furious flycycle by Jan Wahl. ISBN 0140305548. Published by Penguin in 1972. Publication and catalogue information, links to buy online and reader comments.