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Robin's real engine / illustrated by Mary Dinsdale. Originally published: London : Hamilton, 1972 - The big egg / illustrated by Margery Gill. Originally published: London : Hamilton, 1967 - The toffee join / illustrated by Shirley Hughes. Originally published: London : Hamilton, 1968.
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Robin's real engine, and other stories by William Mayne. ISBN 0140307613. Published by Puffin Books in 1975. Publication and catalogue information, links to buy online and reader comments.