NMLP P-021716 · True-first precedence · minted 2026-07-04

Sphere

Michael Crichton · Alfred A. Knopf · 1987

US Knopf (1987) is the true first edition; the UK Macmillan edition also appeared in 1987.

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New Mexico Literacy Project — True-first precedence NMLP P-021716 for "Sphere" by Michael Crichton (https://newmexicoliteracyproject.org/id/point/p-021716, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).