Today is your final chance to purchase some cheap books and movies for a good cause. The Friends of the Knoxville Public Library are will hold their third and final day of this season’s book sale today. Movies and books that were donated by the community or are being circulated out of the library’s inventory will be available for purchase for $1 each. All proceeds will go toward new materials and programs at the library. The sale will be held from 8am until noon.