NMLP P-026838 · Point of issue · minted 2026-07-04

The Door into Summer

Robert A. Heinlein · Doubleday & Company, Garden City, NY · 1957

First printing has 'First Edition' stated on the copyright page with no later-printing statement

Full identification guide for this title →

New Mexico Literacy Project — Point of issue NMLP P-026838 for "The Door into Summer" by Robert A. Heinlein (https://newmexicoliteracyproject.org/id/point/p-026838, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).