Posted by Vicki Davis who recommends it for elementary teachers. If you're not already subscribed to the Educators group in Diigo, you should do so right away. Great resources, shared.
" By the time you have reached the end of this tutorial you will be able to construct a series of linked web pages for any subject that includes formatted text, pictures, and hypertext links to other web pages on the Internet. If you follow the steps for the Basic Level (lessons 1-14) you will develop a page about volcanoes and if you go on to the Advanced Level (lessons 15-29), you will create an enhanced volcano web site."