A small kingdom based on the principles of King Arthur's Round Table sends out its knights on a quest for the legendary substance called gasoline.

Henry's Quest 1988, Macmillan Children's Books, London

ISBN-13: 9780333467787

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Henry's Quest 1986, Atheneum Books, New York, NY

ISBN-13: 9780689311727

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Henry's Quest 1986, Macmillan Children's Books, London

ISBN-13: 9780333408414

Hardcover

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