The College Store’s end-of-semester textbook buyback will continue from 8 a.m.-5 p.m. Thursday; 8 a.m.-3 p.m. Friday; 8 a.m.-6 p.m. Monday through next Thursday; 8 a.m.-5 p.m. Friday, May 7; and 9 a.m.-1 p.m. Saturday, May 8. In addition to textbooks, The College Store is buying used TI84 graphing calculators.