NMLP P-012482 · Point of issue · minted 2026-07-04

Harry Potter and the Half-Blood Prince

J. K. Rowling · Bloomsbury (London) · 2005

A recognised first-printing text point is the line on page 99 reading 'eleven outstanding O.W.L.s', changed to 'ten' in later printings

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New Mexico Literacy Project — Point of issue NMLP P-012482 for "Harry Potter and the Half-Blood Prince" by J. K. Rowling (https://newmexicoliteracyproject.org/id/point/p-012482, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).