About this tool

Replace an existing standalone author/catalog XHTML page in DRM-free, reflowable EPUB 3 books using one shared biography and catalog. Review each whole-page replacement, then export new copies and preservation reports. $4.99 once; tested in desktop Chrome 152 on Linux. Up to 10 books, 10 MiB each, and 3 retailer editions. Other browsers, readers and retailer acceptance are unverified. Free fictional inputs, example outputs and manual are available; the updater is paid.