NMLP P-015137 · True-first precedence · minted 2026-07-04

The Deep Blue Good-by

John D. MacDonald · Gold Medal Books (Fawcett Gold Medal k1405) · 1964

Paperback is the true first. The series was conceived and launched as paperback originals; later hardcover collected editions are first-thus only.

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New Mexico Literacy Project — True-first precedence NMLP P-015137 for "The Deep Blue Good-by" by John D. MacDonald (https://newmexicoliteracyproject.org/id/point/p-015137, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).