NMLP P-030148 · True-first precedence · minted 2026-07-04

"U" Is for Undertow

Sue Grafton · G.P. Putnam's Sons · 2009

US Marian Wood Books / G.P. Putnam's Sons edition is the accepted true first; twenty-first Kinsey Millhone alphabet mystery.

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New Mexico Literacy Project — True-first precedence NMLP P-030148 for ""U" Is for Undertow" by Sue Grafton (https://newmexicoliteracyproject.org/id/point/p-030148, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).