Hi, you wrote: "I have Kindlegen, and use it through Kindle Previewer to convert epub files to mobi files. (But Kindle Previewer does not create a navigable toc, which Calibre does.)"
I'm trying to create a mobi from an epub, but, like you say, Kindlegen doesn't create a proper TOC. But I understand that Kindlegen is the better option than Calibre if you want to make fully compliant mobi files.
Do you use a combination of Kindlegen and Calibre? If so, how?
Thanks in advance.