What it is: Skratch Track is an amazing virtual bookshelf for primary students.  It uses the same idea behind Shelfari, giving students a virtual bookshelf where they can track which books they are reading, rate the book, write a little synopsis of the book, and even turn in a virtual book report to earn Skratch Track awards.  The interface of this site is very easy for primary kiddos to use independently.  Students can keep up to 15 books on their bookshelf at a time (for free account).  Parents or teachers sign up for an account and add children accounts to…