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

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

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