POP-UP $6 BAG SALE the Friends of Marathon County Public Library are holding a bag sale on Saturday, March 28 from 9:30 AM to 3:30 PM. Fill a paper grocery bag with as many used books, CDs, children's titles, and DVDs as you can and take the whole bag home for just $6. Open to all! Proceeds go toward events and programing at all nine MCPL locations, so the sale is as good for your community as it is for your wallet.