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Publication: Siege of the Unseen / The World Swappers

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  • Publication: Siege of the Unseen / The World SwappersPublication Record # 30413
  • Authors: John Brunner, A. E. van Vogt
  • Date: 1959-10-00
  • Catalog ID: D-391
  • Publisher: Ace Books
  • Pub. Series: Ace Double
  • Pub. Series #: D-391
  • Price:
    $0.35?$: US dollar
  • Pages: 103+153
  • 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: Siege of the Unseen by Ed Valigursky
  • Notes:
    • Cover for Siege of the Unseen has "Complete Novel"; 103 pages
    • Cover for The World Swappers has "First Book Publication"; 153 pages
    • Cover art for both titles is not credited and there are no visible signatures. ACE Image Library credits Valigursky with Siege of the Unseen
    • Month of publication from Jad Smith's John Brunner biography
  • External IDs:
Cover art supplied by ISFDB on this Web page
Omnibus Title: Siege of the Unseen / The World Swappers • (1959) • omnibus by John Brunner and A. E. van Vogt

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Primary Verifications

Verifier Date Type Last User Activity Date
Kraang 2007-12-04 21:37:00 Permanent 2024-03-25
Bluesman 2009-09-03 13:20:19 Permanent 2018-12-13
Willem H. 2010-08-22 12:51:24 Permanent 2023-08-26
Prof beard 2013-10-12 14:17:05 Permanent 2016-09-15
Rtrace 2020-11-05 07:21:36 Permanent 2024-04-20
Spacecow 2020-11-07 16:42:53 Permanent 2024-03-27
GlennMcG 2022-09-11 15:44:13 Permanent 2024-03-27

Secondary Verifications

Source Status Verifier Date
Bleiler Early Years N/A Rtrace 2021-07-04 10:36:12
Bleiler Supernatural N/A Rtrace 2021-07-04 10:36:12
Bleiler1 (Gernsback) N/A Dragoondelight 2009-05-30 15:42:15
Bleiler78 N/A Bluesman 2011-11-19 21:52:16
Clute/Grant N/A Bluesman 2011-11-19 21:52:16
Clute/Nicholls Verified Bluesman 2011-11-19 21:52:16
Contento1 (anth/coll) N/A Bluesman 2009-03-16 18:18:48
Currey Verified Bluesman 2008-11-14 00:08:28
Locus1 N/A Bluesman 2009-03-16 18:18:48
Miller/Contento N/A Bluesman 2009-03-16 18:18:48
OCLC/Worldcat Verified Bluesman 2009-09-03 13:20:19
Reginald1 Verified Bluesman 2011-11-19 21:52:16
Reginald3 N/A Bluesman 2011-11-19 21:52:16
Tuck Verified Mhhutchins 2009-03-23 15:41:39
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