Doc Savage: Python Isle, by Kenneth Robeson - Bantam PBK 1991 (c2)

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Doc Savage: Python Isle, by Kenneth Robeson - Bantam PBK 1991 (c1)

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Doc Savage Omnibus #9 - 1989 Paperback, First Edition and Printing with Bonus!

Doc Savage - Python Isle Kenneth Robeson - Bantam Books Oct. 1991

Doc Savage #20 The Secret in the Sky Kenneth Robeson Bantam Books First Print 67