In their strangest case ever, the Three Investigators search for a string of priceless Chinese ghost pearls--and encounter an eerie green ghost.

The Mystery of the Green Ghost 1985, Random House Children's Books, New York, NY

ISBN-13: 9780394864044

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Mystery of the Green Ghost 1972, Armada, London

ISBN-13: 9780001600027

Paperback

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Mystery of the Green Ghost 1970, Armada, London

ISBN-13: 9780006903420

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