NMLP P-012099 · True-first precedence · minted 2026-07-04

The Caves of Steel

Isaac Asimov · Doubleday & Company, Garden City, NY · 1954

US Doubleday is the true first. The British T.V. Boardman hardcover (1954) and later paperbacks follow it. Doubleday science-fiction firsts carry an explicit 'First Edition' statement and use no number line.

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New Mexico Literacy Project — True-first precedence NMLP P-012099 for "The Caves of Steel" by Isaac Asimov (https://newmexicoliteracyproject.org/id/point/p-012099, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).