NMLP P-000579 · True-first precedence · minted 2026-07-04

The Thirteen Problems (US: The Tuesday Club Murders)

Agatha Christie · William Collins (Crime Club) · 1932

UK Collins (18 June 1932) precedes the US Dodd, Mead edition (1933, variant title The Tuesday Club Murders), so Collins is the true first.

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New Mexico Literacy Project — True-first precedence NMLP P-000579 for "The Thirteen Problems (US: The Tuesday Club Murders)" by Agatha Christie (https://newmexicoliteracyproject.org/id/point/p-000579, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).