While this online course is totally text based with few illustrations etc, it manages to be both comprehensive and straightforward without being overly "wordy" or incomprehensible.

Sections include:

• Getting Started
• HTML Documents
• Character Formatting
• Linking
• Inline Images
• Fill-out Forms
• Troubleshooting
• Style Guides
• Other Introductory Documents
• Additional Online References

The course can be downloaded as a PDF file or printed directly from the site by selecting the "printable version" link.