While seeking to solve the mystery of “the trained vampire murders,” Doc Savage and his amazing crew suddenly find themselves prisoners of Sol Yuttal and Hadi-Mot aboard a hijacked Zeppelin. Their deadly destination is a fabulous lost diamond mine guarded by carnivorous plants and monstrous, bloodsucking bats.
A paperback original first edition & 6th in the Doc Savage paperback series. Originally published in the September 1933 edition of Doc Savage Magazine.
Gary Lovisi’s Antique Trader Collectible Paperback Price Guide has this edition valued between $4 and $25, depending on condition.
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