The most helpful thing is that you can purchase one or a group of multiples depending upon what you need. I used Word and Adobe in order to place the identifier on the back of the book I'm creating. Review collected by and hosted on G2.com.

There was not anything that I disliked. There is nothing that is missing as it's an identifier for books for your intellectual property. I do not see a place for improvements at this time. Review collected by and hosted on G2.com.