The Friends of the Tuolumne County Library will be sponsoring a half price book sale every Wednesday during the month of September. Each week a new genre will be featured. On Wednesday, September 3, all Classics will be half price. On September 10, books about Health and Diet will be featured. Wednesday, September 17 patrons can purchase books about History and Government at half price. Finally, September 24th will feature Biographies. All proceeds benefit Tuolumne County Library programs and services.