MPPL Annual Book Sale Calendar When: August 29, 2022 @ 9:00 am – September 2, 2022 @ 5:00 pm 2022-08-29T09:00:00-05:00 2022-09-02T17:00:00-05:00 MPPL is hosting our annual book sale. Stop by the Library to find great books at bargain prices. The book sale runs from August 29th – September 2nd. Age Group: Adults and Seniors