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Publication: The 13th Immortal / This Fortress World

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  • Publication: The 13th Immortal / This Fortress WorldPublication Record # 34897
  • Authors: James E. Gunn, Robert Silverberg
  • Date: 1957-00-00
  • Catalog ID: D-223
  • Publisher: Ace Books
  • Pub. Series: Ace Double
  • Pub. Series #: D-223
  • Price: $0.35
  • Pages: 129+190
  • Format:
    dos?Dos-a-dos or tete-beche formatted paperback books, such as Ace Doubles and Capra Press back-to-back books.
  • Type: OMNIBUS
  • Cover: The 13th Immortal by Ed Valigursky
  • Cover2: This Fortress World by Ed Emshwiller
  • Notes: The 13th Immortal is 129 pages. 1957
      The cover has "Complete Novel". The artist is not credited; no visible signature; ACE Image Library credits Valigursky
    This Fortress World is 190 pages. 1955
      The cover has "abridged". The artist is not credited; EMSH is on the artwork
  • External IDs:
Cover art supplied by ISFDB on this Web page

Primary Verifications

Verifier Date Type Last User Activity Date
Scott Latham 2007-03-22 20:48:13 Permanent 2015-06-21
Bluesman 2009-08-17 21:45:35 Permanent 2018-12-28
Willem H. 2010-04-11 13:28:58 Permanent 2019-11-14
Rtrace 2010-08-10 21:27:41 Permanent 2019-11-12
Hauck 2011-09-17 12:14:19 Permanent 2018-06-29
Hifrommike65 2019-06-15 22:57:40 Permanent 2019-11-02

Secondary Verifications

Source Status Verifier Date
Clute/Nicholls Verified Bluesman 2012-11-04 22:32:04
Clute/Grant N/A Bluesman 2012-11-04 22:32:04
Contento1 (anth/coll) N/A Bluesman 2009-08-17 21:45:35
Locus1 N/A Bluesman 2009-08-17 21:45:35
Reginald1 Verified Bluesman 2012-11-04 22:32:04
Reginald3 N/A Bluesman 2012-11-04 22:32:04
Tuck Verified Bluesman 2012-11-04 22:32:04
Miller/Contento N/A Bluesman 2009-08-17 21:45:35
Bleiler1 (Gernsback) N/A Bluesman 2009-08-17 21:45:35
Currey Verified Bluesman 2008-10-28 23:02:29
Bleiler Supernatural Not Verified    
Bleiler78 N/A Bluesman 2012-11-04 22:32:04
OCLC/Worldcat Verified Bluesman 2009-08-17 21:45:35
Bleiler Early Years Not Verified    
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