Originally Posted by HarryT
That's very true, Bob, but MobiPocket Creator (which only runs on Windows) is perhaps the best conversion tool out there for creating MobiPocket format books. I find it to be considerably more flexible than the command-line tools, plus the fact it has many capabilities that the Perl and Python tools don't.
What capabilities does it have that are missing from other tools?
You can run mobigen in Wine also for conversion.