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