: A single-line file ( application/epub+zip ) that must be the first, uncompressed file in the archive.
: The "brain" of the book, containing metadata (title, author), a list of all files, and the reading order. 6833 epub
The fastest way to create an EPUB is to export it directly from common writing software. This works best for simple, text-heavy layouts. EPUB 3.3 - W3C : A single-line file ( application/epub+zip ) that