Detailed instructions for creating your own professional weblog using free services, creating an instructional weblog using BlogMesiter (a free classroom blogging tool), creating an interactive class wiki site, creating a personal digital library of dynamic content using RSS, produce your own podcast program, and use weblogs, wikis, RSS, and podcasting to help you teach and help students learn.
A great book that not only introduces and explains different technologies to use with writing instruction, but has a strong rationale for incorporating these technologies, especially blogging.