NMLP P-016561 · True-first precedence · minted 2026-07-04

A Cold Heart

Jonathan Kellerman · Ballantine · 2003

The US Ballantine hardcover of 2003 is the true first; the seventeenth Alex Delaware novel.

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New Mexico Literacy Project — True-first precedence NMLP P-016561 for "A Cold Heart" by Jonathan Kellerman (https://newmexicoliteracyproject.org/id/point/p-016561, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).