NMLP P-027799 · True-first precedence · minted 2026-07-04

A Time of Changes

Robert Silverberg · Doubleday (New York) · 1971

The US Doubleday 1971 hardcover is the true first. Doubleday also produced the Science Fiction Book Club printing, so trade-first versus book-club state must be checked carefully. Won the 1971 Nebula Award for Best Novel.

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New Mexico Literacy Project — True-first precedence NMLP P-027799 for "A Time of Changes" by Robert Silverberg (https://newmexicoliteracyproject.org/id/point/p-027799, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).