How the UBook format works

The UBook format is a glorified zip file containing a folder which in turn contains a number of files. The files include a book file (the manuscript); a manifest file (info about the book); and a cover image.

The folder can also contain an optional description file and an extract of the book to display on stores or book websites.

The book file is the important one. The whole book is in here, tagged using UBook’s special tags.

Thats basically it.