NMLP P-027917 · Book-club / reprint tell · minted 2026-07-04

To Open the Sky

Robert Silverberg · Ballantine · 1967

No book club edition. Priority rests on the U6093 catalog number and the absence of any additional printing statement; later Ballantine reissues carry different catalog numbers.

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New Mexico Literacy Project — Book-club / reprint tell NMLP P-027917 for "To Open the Sky" by Robert Silverberg (https://newmexicoliteracyproject.org/id/point/p-027917, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).