If Carolyn Gray complains her arms are tired, please excuse her - there's a reason. It's because of the large pile of books she routinely carries from the Abilene Public Library's branch at 1401 S. Danville. A single mom who reads rather than watch TV, her totals are staggering from two to three trips to the library a week - checking out roughly 20 books a week and upward of 1,000 books each year by her calculations...