NMLP P-027305 · True-first precedence · minted 2026-07-04

The Ink Black Heart

Robert Galbraith (J.K. Rowling) · Sphere / Little, Brown (London) · 2022

UK Sphere edition is conventionally cataloged as the first edition (published August 2022), released alongside the US Mulholland edition. UK precedence rests on cataloging convention rather than a clear date gap.

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New Mexico Literacy Project — True-first precedence NMLP P-027305 for "The Ink Black Heart" by Robert Galbraith (J.K. Rowling) (https://newmexicoliteracyproject.org/id/point/p-027305, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).