Introduction (The Two Worlds)
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Overview:
- Title: Introduction (The Two Worlds)
- Author: James P. Hogan
- Year: 2007
- Type: Essays
Editions/Publications:
- Unknown. The Two Worlds (Unknown, James P. Hogan, Baen Books, ISBN-10: 9781416537250, $7.99, 856 pages, Paperback, Omnibus)
- 2013 . The Two Worlds (2013, James P. Hogan, Baen Books, ISBN-10: 9781618246035, $6.99, pages, ebook, Omnibus)