NMLP P-024824 · True-first precedence · minted 2026-07-04

Martian Time-Slip

Philip K. Dick · Ballantine · 1964

US Ballantine paperback original is the true first book appearance. Earlier serialized as All We Marsmen in Worlds of Tomorrow (August, October, December 1963), which precedes only in periodical form; the book text is expanded from the serial.

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New Mexico Literacy Project — True-first precedence NMLP P-024824 for "Martian Time-Slip" by Philip K. Dick (https://newmexicoliteracyproject.org/id/point/p-024824, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).