The Secret of Pirates' Hill - Dixon, Franklin W

Hired to locate an old Spanish cannon, the Hardy brothers uncover an even greater treasure after perilous underwater adventures.

Secret of Pirates' Hill 1979, Armada, London

ISBN-13: 9780006915669

Paperback

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The Secret of Pirates' Hill 1975, Grosset & Dunlap

ISBN-13: 9780448189369

Trade paperback

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The Secret of Pirates' Hill 1957, Grosset & Dunlap, New York, NY

ISBN-13: 9780448089362

Hardcover

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Secret of Pirates' Hill HarperCollins Distribution Services

ISBN-13: 9780001605145

Hardcover

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