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Let's Find Out About Mars
David C. Knight
Library Binding (Franklin Watts, Incorporated, Jan. 15, 1966)Hardcover, copyright 1966, dust cover missing if any, discarded, Franklin Watts Ed. by David Knight and pictures by Don Miller.
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Let's find out about Mars,
David C Knight
Hardcover (F. Watts, March 15, 1966)None
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Let's find out about Mars,
David C. Miller, Don, Knight
Paperback (F, Feb. 10, 1966)None