The Unknown Avenger
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Overview:
- Title: The Unknown Avenger
- Author: Everett F. Bleiler
- Year: 1991
- Type: Reviews
Editions/Publications:
- Unknown. Science Fiction: The Early Years (Pages 545 - 998) (Unknown, Everett F. Bleiler, unknown, Non-fiction)
- Unknown. Science Fiction: The Early Years (Pages 545 - 998) (Unknown, Harold F. Richards, Ph.D., unknown, Non-fiction)