• Publication: Perry Rhodan, #821: Die Gravo-KatastrophePublication Record # 794504 (View All Issues) (View Issue Grid)
• Editors: K. H. Scheer, William Voltz
• Date: 1981-11-10
• Catalog ID: PR2DE0821
• Publisher: Pabel-Moewig
• Price:
  DM 2.00^?DM: German (Deutsche) mark
• Pages: 68
• Format:
  digest^?Digest-size magazine, including both standard digest size, at about 7" by 4.5", and also large digest, such as recent issues of Asimov's, which are about 8.25" by 5.125".
• Type: MAGAZINE
• Cover: Perry Rhodan, #821: Die Gravo-Katastrophe (1977) • by Johnny Bruck
• Notes: "November 1981" should be stated in the copyright section. Day of publication from the weekly schedule. 'Leserkontaktseite' should take two pages. The essay in the middle of the magazine should actually take pp. 34 & 35. The cover art should match the one for the novella's first publication. For the cover design take a look for example at #820 of the magazine. Bruck is credited for the cover art and Mahr for the Perry Rhodan Computer at Perrypedia.

Contents (view Concise Listing)

• 3 • Perry Rhodan Leserkontaktseite (Perry Rhodan #1055) • [Perry Rhodan Leserkontaktseite] • essay by William Voltz [as by W. Voltz]
• 3 •  Letters (Perry Rhodan #1055) • essay by various
• 5 • Die Gravo-Katastrophe • [PR Zyklus 13: BARDIOC • 821] • (1977) • novella by Hans Kneifel
• 34 • "Temponauten" — Erdenbürger auf Zeitreisen • [
  Populärwissenschaftlicher Beitrag^?Populaerwissenschaftlicher Beitrag
  • 98] • (1981) • essay by Ernst Meckelburg
• Vom Wesen der Superintelligenzen • [Perry Rhodan Computer • 122] • (1977) • essay by Kurt Mahr [as by uncredited]