NMLP P-012164 · True-first precedence · minted 2026-07-04

Island Beneath the Sea

Isabel Allende · HarperCollins (US) / Fourth Estate (UK) · 2010

First English-language edition of La isla bajo el mar (2009). The US HarperCollins hardcover (April 2010) and the UK Fourth Estate hardcover both appeared in 2010; the US HarperCollins edition is generally treated as the first in English, identified by its complete number line to 1.

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New Mexico Literacy Project — True-first precedence NMLP P-012164 for "Island Beneath the Sea" by Isabel Allende (https://newmexicoliteracyproject.org/id/point/p-012164, CC BY 4.0, dataset DOI 10.5281/zenodo.21184548).