The Friends of the Towson Library sponsors its annual book sale Thursday, April 14, 5:30 – 8 p.m; Friday, April 15 and Saturday, April 16, 9 a.m. to 5 p.m.; and Sunday, April 17, 1 to 4 p.m. Choose from a wide variety of gently used books and CDs, including a large selection of children’s books and fiction. Buy a foot of books for $3 on Sunday afternoon. First floor, Towson Library, 320 York Road.