Originally published: New York: Random House, 1974.

Centennial 2007, Random House Trade, New York, NY

ISBN-13: 9780812978421

Trade paperback

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Centennial 2004, Books on Tape

ISBN-13: 9781415903964

Audiobook CD

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Centennial 1993, Publishing Mills, Los Angeles, CA

ISBN-13: 9781879371460

Abridged

Audiobook cassette

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Centennial 1989, Corgi, London

ISBN-13: 9780552110037

Paperback

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Centennial 1987, Fawcett Books, New York, NY

ISBN-13: 9780449214190

Mass-market paperback

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Centennial 1987, Turtleback Books, New York, NY

ISBN-13: 9780613339957

Turtleback School & Library edition

Hardcover

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Centennial 1984, Fawcett Books

ISBN-13: 9780449207796

Mass-market paperback

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Centennial 1983, Fawcett Books

ISBN-13: 9780449203132

Mass-market paperback

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Centennial 1976, Corgi, London

ISBN-13: 9780552099455

New edition

Mass-market paperback

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Centennial 1976, Ulverscroft, Leicester

ISBN-13: 9780854565696

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Centennial 1975, Fawcett Books

ISBN-13: 9780449226391

Mass-market paperback

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Centennial 1974, Random House (NY)

ISBN-13: 9780394479705

Hardcover

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Centennial 1974, Random House (NY)

ISBN-13: 9780394493459

Hardcover

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Centennial 1974, Martin Secker & Warburg Ltd, Lodnon

ISBN-13: 9780436279621

Hardcover

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