Online Bookshelves can be used in any number of ways. For example, you can create them, share them, and then use them for book talks. You can have students use them for book reports, book advertisments, and more. Check out the examples below:

Link to Library Thing and create your own shelf of books.
*Library Thing bookshelf created by Lauren Quarles

Shelfari: Book reviews on your book blog

This Shelfari was created by Lauren Quarles