NMLP P-036405 · True-first precedence · minted 2026-07-19

The Mysterious Affair at Styles

Agatha Christie · John Lane Company (New York) · 1920

Major precedence point: the US John Lane edition (October 1920) precedes the UK Bodley Head / John Lane edition (21 January 1921). The Canadian issue (Ryerson Press, Toronto, 1920) was printed from the US sheets and also precedes the London edition. Collectors prize the US 1920 as the true world first; the UK 1921 Bodley Head is a separate, highly valued collectible.

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New Mexico Literacy Project — True-first precedence NMLP P-036405 for "The Mysterious Affair at Styles" by Agatha Christie (https://newmexicoliteracyproject.org/id/point/p-036405, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).