NMLP P-000403 · True-first precedence · minted 2026-07-04

Parker Pyne Investigates (US: Mr. Parker Pyne, Detective)

Agatha Christie · Dodd, Mead (US) / William Collins (UK) · 1934

Precedence here is unusual and disputed: multiple sources place the US Dodd, Mead edition (June 1934) ahead of the UK Collins edition (November 1934), which would make the US printing the true first. This should not be stated as a settled UK-first, unlike most Christie titles.

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New Mexico Literacy Project — True-first precedence NMLP P-000403 for "Parker Pyne Investigates (US: Mr. Parker Pyne, Detective)" by Agatha Christie (https://newmexicoliteracyproject.org/id/point/p-000403, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).