If it's simple there are a number of free editors that will help you build pages but Not a lot of GUI based ones.
All you need is notepad if you are a glutton for punishment.
Coffecup has a fairly good one that you can use for 30 days.
Mozilla Composer (now called Seamonkey) is a free, basic HTML editor. You can compose in WYSIWYG and switch between that and the raw code, which is a good way to learn what's going on under the hood as you create your site. I think it's a good starting point for you.
Also, here's a tutorial site based on Seamonkey/Composer that looks helpful.