NMLP P-000286 · True-first precedence · minted 2026-07-04

Dead Man's Folly

Agatha Christie · William Collins, Sons (Crime Club), London · 1956

The US Dodd, Mead edition (October 1956) actually preceded the UK Collins Crime Club edition (5 November 1956) by about a month, so the US printing is chronologically the earliest appearance. Both carry the same title; collectors distinguish them by publisher, binding, and jacket rather than by title. The UK first is identified by red boards, the green jacket, and the title list running to Hickory Dickory Dock.

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New Mexico Literacy Project — True-first precedence NMLP P-000286 for "Dead Man's Folly" by Agatha Christie (https://newmexicoliteracyproject.org/id/point/p-000286, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).