TWIN PLANETS. New York: Paperback Library, Inc., [1967]. Small octavo, pictorial wrappers. First edition. Paperback Library 52-392. Bio-genetic superhuman twins must each rescue his own world -- Earth and Firma, mirror versions of each other in separate universes -- in order to save the other. Reginald 07195. A bright, good copy with some creasing to back cover and bumping of corners of last few leaves, else a bright, very good copy. (#143791).
Price: $25.00
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Printing identification statement for this book:
"First Printing: January, 1967" on copyright page.
"First Printing: January, 1967" on copyright page.