NMLP P-044278 · Point of issue · minted 2026-07-19

Mr. Popper's Penguins

Richard and Florence Atwater (illus. Robert Lawson) · Little, Brown and Company (Boston) · 1938

First-printing point: the copyright page states 'Published September 1938' and carries no reprint line

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New Mexico Literacy Project — Point of issue NMLP P-044278 for "Mr. Popper's Penguins" by Richard and Florence Atwater (illus. Robert Lawson) (https://newmexicoliteracyproject.org/id/point/p-044278, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).