NMLP P-028962 · True-first precedence · minted 2026-07-04

The Motion of Light in Water

Samuel R. Delany · Arbor House / William Morrow (New York) · 1988

US Arbor House hardcover (1988) is the true first; a substantially expanded edition followed in 1990. This original edition won the Hugo Award for nonfiction.

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New Mexico Literacy Project — True-first precedence NMLP P-028962 for "The Motion of Light in Water" by Samuel R. Delany (https://newmexicoliteracyproject.org/id/point/p-028962, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).