NMLP P-026795 · True-first precedence · minted 2026-07-04

Podkayne of Mars

Robert A. Heinlein · G.P. Putnam's Sons · 1963

US Putnam first edition. The Worlds of If magazine serialization precedes the book, and a restored-ending edition was published in 1995; the 1963 Putnam hardcover is the true first book edition.

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New Mexico Literacy Project — True-first precedence NMLP P-026795 for "Podkayne of Mars" by Robert A. Heinlein (https://newmexicoliteracyproject.org/id/point/p-026795, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).