NMLP P-042282 · Point of issue · minted 2026-07-19
The Dark Frontier
Eric Ambler · Hodder & Stoughton (London) · 1936
Identification caveat, stated honestly: Hodder & Stoughton had NO consistent first-edition statement before the 1940s, only settling on "First published in (year)" by 1976
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New Mexico Literacy Project — Point of issue NMLP P-042282 for "The Dark Frontier" by Eric Ambler (https://newmexicoliteracyproject.org/id/point/p-042282, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).