There is free on-line tutoring for Gwinnett County Public Library card holders.  Go to "gwinnettpl.org" and click on the "tutor.com" link at the bottom of the page.  To login to the tutoring site, you will need your library card number and the PIN that you established when you first got your card.  You then pick your grade level and subject.  You are linked with a live tutor and an instant messaging type of format.  This service is only available Sunday-Thursday 4:00 PM- 11:00 PM.