A crocodile family tries to conserve energy at home.

Arthur's New Power 1987, Crowell

ISBN-13: 9780690013719

Hardcover

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Arthur's New Power 1980, Gollancz, London

ISBN-13: 9780575028357

Paperback

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Arthur's New Power 1978, Crowell, New York

ISBN-13: 9780690013702

Unknown binding

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