Shelfari and "Edgy Reads" Reading Reviews. With Shelfari you have the ability to track “to be read,” “I’m reading,” and “what I read” widgets. (click on image below to follow link):
LibraryThing viewing and following specific readers and genres. The books are both rated and reviewed, you can add a book to your list. You can follow friend recommendations or Bloggers who have similar interests. You can use the review you wrote as an introduction to your own blog. Here, you can browse other blogger’s blogs and reviews. Library thing also has groups, join other groups of genres of literature. This allows you to locate your books using the Dewey Decimal system. Note that there is a “similar books” link. (click on image below to follow link):
Edmodo - Our Schools Social Media Web Site for Courses, you must use your e-mail address when accessing this as well as the "Access Code" for the content-specific blog. (click on image below to follow link):
GoodReads - following books recommended by readers like you (click on image below to follow link):