NMLP P-000209 · True-first precedence · minted 2026-07-04

4.50 from Paddington (US: What Mrs. McGillicuddy Saw!)

Agatha Christie · William Collins, Sons (Crime Club), London · 1957

UK Collins Crime Club is the true first under the original title 4.50 from Paddington; the US Dodd, Mead edition carries the variant title What Mrs. McGillicuddy Saw! and the uncorrected 4:54 time reference in the text.

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New Mexico Literacy Project — True-first precedence NMLP P-000209 for "4.50 from Paddington (US: What Mrs. McGillicuddy Saw!)" by Agatha Christie (https://newmexicoliteracyproject.org/id/point/p-000209, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).