How To Create iBooks In ePub format for The iPad

This post is just wrong. eCub is not trouble-free. And SIGIL should really be used as fine-tuning.

People would be better off running Windows and using Atlantis, which has a Save as eBook option. It creates ePub easily.

http://www.atlantiswordprocessor.com/en/

And specifically for Mac OS X, there's supposed to be iStudio Bookbuilder from here:

http://www.istudiopublisher.com/index.php/home/home/