Smashing Magazine has produced a list of 10 Principles of Effective Web Design which would make an excellent article to jump off into a class discussion

Andrew Faulkner has suggested 25 Ways To Improve Your Site In 5 Minutes

Chris Garrett has written 10 Tips to Make Yourself Understood Every Time which is a good brief piece on how a writer can polish their communication skills

Blurb is a print on demand service that publishes books making it a great way to self publish a book or your blog. Unfortunately you can only sell your books through their bookstore if you live in the United States.