Schwere Welten
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Overview:
- Title: Schwere Welten
- Author: Hal Clement
- Year: 1984
- ISBN-10: 3453307933
- Publisher: Heyne
- Price: DM 12.80
- Pages: 588
- Binding: Paperback
- Type: Omnibus
- Title Reference: Schwere Welten
- Notes:
- First German edition, second printing (''2. Auflage'').
- {{Tr|Peter Pape and Horst Pukallus}}.
- Last page (588) is unnumbered.
- Cover artist is credited on the copyright page.
- Illustrations by Giuseppe Festino are signed with the date '-81-'.