What it is: Shelfari is a virtual bookshelf that you create to show off books that you have read and recommend. It is a Web 2.0 site that allows you to connect with students, other teachers, and parents around books. Shelfari is a great way to discover new titles, discuss books, start an online book club, and show others what you are reading. You can show off your Shelfari bookshelf on your blog, classroom website, or other social networking site of choice. Really cool! How to integrate Shelfari into the classroom: As summer break approaches, we teachers start thinking about…