NMLP P-027695 · Point of issue · minted 2026-07-04

The Sigma Protocol

Robert Ludlum · St. Martin's Press · 2001

A hardcover of 535 pages bound in black boards with the spine lettered in gilt, in a priced first-state dust jacket that should retain its printed price (ISBN 0312276885)

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New Mexico Literacy Project — Point of issue NMLP P-027695 for "The Sigma Protocol" by Robert Ludlum (https://newmexicoliteracyproject.org/id/point/p-027695, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).