Allentown Public Library, 1210 Hamilton St., Allentown, will be hosting a used book bag sale Dec. 16-21 in the book sale room at the library.

Hours are noon to 4 p.m. Monday to Friday and 11 a.m. to 3 p.m. Saturday.

Shoppers can purchase a brown paper bag from the library for a small fee and fill it with their choice of books.

There will be a large assortment of used books on all topics to choose from at the sale.

Proceeds benefit the library.

For more information, call 610-820-2400.