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Title: The 13th Immortal / This Fortress World

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Title: The 13th Immortal / This Fortress World Title Record # 794761
Authors: James E. Gunn and Robert Silverberg
Date: 1957-00-00
Type: OMNIBUS
Content: 2N
Language: English
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Publications

Title Date Author/Editor Publisher/Pub. Series ISBN/Catalog ID Price Pages Format Type Cover Artist Verif
The 13th Immortal / This Fortress World 1957-00-00 James E. Gunn, Robert Silverberg Ace Books (Ace Double #D-223) D-223 $0.35 129+
190
dos?Dos-a-dos or tete-beche formatted paperback books, such as Ace Doubles and Capra Press back-to-back books.
omni Ed Emshwiller , Ed Valigursky Checkmark
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