Original fictional practice material created for IdunnBacklist, 2026. All example prose, metadata and catalog data dedicated to the public domain under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/). Mira Fen is fictional; example.com URLs are placeholders, not store listings. Expected result: 3 books x Amazon and Neutral = 6 EPUBs, each with two other catalog titles and one replacement page.
