The format is the industry standard for reflowable ebooks.
The specific filename "Botones4.epub" is frequently associated with and digital libraries. Botones4 epub
This file is designed to be read on almost any digital device, including Amazon Kindle (modern versions), Apple Books, Google Play Books, and Kobo. The format is the industry standard for reflowable ebooks
Official retail versions (from Amazon or iBooks) typically arrive with encrypted DRM (Digital Rights Management) and do not usually carry such generic filenames. including Amazon Kindle (modern versions)