[$] Sigil simplifies creating and editing EPUBs

Creating an ebook in EPUB format is easy,for certain values of "easy". All one really needs is a text editor, a few command-line utilities; also needed is a workingknowledge of XHTML, CSS, along with an understanding of the format'sstructure and required boilerplate. Creatinga well-formatted and attractive ebook is a bit harder. However, it can bemade easier with an application custom-made for the purpose. Sigil is an EPUB editor thatprovides the tooling authors and publishers may be looking for.