Also available is Rincewind's Bookshelf v1 (first part of the Archive series) which will allow you to build a library of books by users submitting them and voting.
Also included is a "Book Of The Week" function that will randonly select a book to send to users at hub owner defined times.
Download this script here - > http://ptxscriptdb.psycho-chihuahua.net/download.php?view.131