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288 pages • first pub 1972 (editions)
ISBN/UID: None
Format: Hardcover
Language: English
Publisher: Doubleday & Co
Publication date: Not specified
Description
In the twenty-second century Earth obtains limitless, free energy from a source science little understands: an exchange between Earth and a parallel universe, using a process devised by the aliens. But even free energy has a price. The transferenc...
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Content Warnings
288 pages • first pub 1972 (editions)
ISBN/UID: None
Format: Hardcover
Language: English
Publisher: Doubleday & Co
Publication date: Not specified
Description
In the twenty-second century Earth obtains limitless, free energy from a source science little understands: an exchange between Earth and a parallel universe, using a process devised by the aliens. But even free energy has a price. The transferenc...
Community Reviews
Content Warnings