NMLP P-004086 · Point of issue · minted 2026-07-04

Planets

Carl Sagan · Time-Life Books · 1966

A first-year 1966 printing is the earliest state, but Time-Life series volumes were reprinted heavily and do not follow a reliable number-line convention, so a specific first-printing point cannot be asserted with confidence

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New Mexico Literacy Project — Point of issue NMLP P-004086 for "Planets" by Carl Sagan (https://newmexicoliteracyproject.org/id/point/p-004086, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).