NMLP P-030165 · True-first precedence · minted 2026-07-04

"Y" Is for Yesterday

Sue Grafton · G.P. Putnam's Sons · 2017

US Marian Wood Books/Putnam hardcover is the true first; twenty-fifth and final Kinsey Millhone novel. Grafton intended a Z title but died in December 2017 before writing it, so the series ends at Y.

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New Mexico Literacy Project — True-first precedence NMLP P-030165 for ""Y" Is for Yesterday" by Sue Grafton (https://newmexicoliteracyproject.org/id/point/p-030165, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).