NMLP P-016653 · True-first precedence · minted 2026-07-04

Open Season

Jonathan Kellerman · Ballantine · 2025

US Ballantine hardcover, published February 4, 2025, is the true first; this is the fortieth Alex Delaware novel (not 2024 and not the thirty-ninth). The thirty-ninth Alex Delaware novel is The Ghost Orchid (2024), which sits between Unnatural History and Open Season. The parallel UK Century edition does not precede the US printing.

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New Mexico Literacy Project — True-first precedence NMLP P-016653 for "Open Season" by Jonathan Kellerman (https://newmexicoliteracyproject.org/id/point/p-016653, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).