Lunarpages has produced an excellent guide to getting started with HTML via their own wiki.  Be sure to check out these tutorials:

Tutorial #1 – Basics of HTML

Tutorial #2 – Parts of a Web Page, Explained

Tutorial #3 – Web Site Navigation

Tutorial #4 – Body Tag Modifiers

Tutorial #5 – HTML Formatting Tags

Tutorial #6 – More HTML Formatting Tags

Need more web hosting help?  Really, the Lunarpages Web Hosting Wiki is a great resource for just about anybody.  Lunarpages customers are really lucky to have such a tool.