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159 pages • first pub 1967 (editions)
ISBN/UID: 9780234772812
Format: Paperback
Language: English
Publisher: Paperback Library
Publication date: Not specified
Description
Earth and Firma were mirror worlds. Because they were on a single time-track, Earth was destined to repeat the dangerous history of Firma--which had been stopped in its rotation around the sun by Aliens. Denning and Liston were twin humans, biogen...
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Content Warnings
159 pages • first pub 1967 (editions)
ISBN/UID: 9780234772812
Format: Paperback
Language: English
Publisher: Paperback Library
Publication date: Not specified
Description
Earth and Firma were mirror worlds. Because they were on a single time-track, Earth was destined to repeat the dangerous history of Firma--which had been stopped in its rotation around the sun by Aliens. Denning and Liston were twin humans, biogen...
Community Reviews
Content Warnings