GBC Book Average 2017

Click the link provided for the updated Guam Bowling Congress book average as of July 15, 2017:  2017 Book Average July

Click the link provided for the updated Guam Bowling Congress book average as of January 1, 2017:  2017-guam-bowling-congress-book-average-as-of-jan-10

Click the link provided for the updated Guam Bowling Congress book average as of June 30, 2016:  2016-book-average-june-30