NMLP P-027694 · Point of issue · minted 2026-07-04

The Sigma Protocol

Robert Ludlum · St. Martin's Press · 2001

Martin's designates a first printing solely by the full number line to 1, without a separate 'First Edition' slug)

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New Mexico Literacy Project — Point of issue NMLP P-027694 for "The Sigma Protocol" by Robert Ludlum (https://newmexicoliteracyproject.org/id/point/p-027694, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).