NMLP P-042056 · Point of issue · minted 2026-07-19

At the Earth's Core

Edgar Rice Burroughs · A. C. McClurg & Co., Chicago · 1922

First print run reported at 17,000 copies against roughly 115,000 McClurg copies across all printings, so the 'Published July, 1922' line plus the nine-plate count and gray-green cloth must be checked together

Full identification guide for this title →

New Mexico Literacy Project — Point of issue NMLP P-042056 for "At the Earth's Core" by Edgar Rice Burroughs (https://newmexicoliteracyproject.org/id/point/p-042056, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).