THE MAIN AREA OF THE LIBRARY BUILDING IS OPEN TO THE PUBLIC FOR QUICK BROWSING & LIMITED COMPUTER USE BY APPOINTMENT &  CALL AHEAD ONLY PLEASE CALL AHEAD 412 655 2424 PLEASE CALL AHEAD TO ENTER THE BUILDING so the staff can monitor the number of people inside! PLEASE CALL AHEAD FOR LOBBY PICK UP  so your items will be waiting for YOU instead of you waiting for us!   MASKS ARE MANDATORY TO ENTER THE BUILDING Everyone over the age of 2 years old  must wear a mask that covers nose & mouth at all times .   THE CHILDREN’S LIBRARY IS OPEN PLEASE NOTE: ALL toys and play equipment are stored due to health concerns (We know that everyone will be sad and wanted to warn you!)   *ALL CHILDREN under 12 years old  MUST BE ACCOMPANIED BY ADULTS and REMAIN WITH THE ADULTS AT ALL TIMES*   *The program room and study tables CLOSED.   Please keep your visit to the library under 30 minutes. Only computers UPSTAIRS can be used by the public.