Originally Posted by Toxaris
There is actually only one ePUB editor that is any good (in my opinion at least) and that is Sigil.
This looks like a very useful tool.
As for HTML and CSS, I have learned a bit of HTML as part of my supporting our web site (although, mostly, I use Kompozer). But, I know little CSS.
Can you recommend a site that would help me learn some of the basics?