NMLP P-005696 · True-first precedence · minted 2026-07-04

Longitude

Dava Sobel · Walker & Company (New York) · 1995

US Walker 1995 is the true first, preceding the UK Fourth Estate edition (1996, which carries the longer subtitle). Later illustrated editions (1998) are textually expanded and not the first. Signed Sobel copies desirable.

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New Mexico Literacy Project — True-first precedence NMLP P-005696 for "Longitude" by Dava Sobel (https://newmexicoliteracyproject.org/id/point/p-005696, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).