NMLP P-027878 · Point of issue · minted 2026-07-04

The 13th Immortal

Robert Silverberg · Ace · 1957

Ace Double D-223 paperback original, with its printed price, bound tete-beche (dos-a-dos) with This Fortress World by James E. Gunn, the Gunn side abridged from the 1955 Gnome Press text

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New Mexico Literacy Project — Point of issue NMLP P-027878 for "The 13th Immortal" by Robert Silverberg (https://newmexicoliteracyproject.org/id/point/p-027878, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).