Originally Posted by fcoulter
OK, I know that the Kindle doesn't read ePub. But I can't find an editor that creates the Mobipocket format that the Kindle does read (and is used to add content to the Kindle store).
So the question is: is the ePub output of the Sigil compatible with Calibre, such that Calibre's conversion of ePub to Mobipocket will produce working Table of Contents, etc? If so, this could be a reasonable way of creating Kindle content.
Like Zelda said, if you're mainly interested in creating mobipocket files, check out Mobipocket Creator.
But yes, you can create epubs with Sigil and then feed them to Calibre to produce mobi files.