Penn State Harrisburg Library (Middletown, Pennsylvania, USA) is an academic library which serves Penn State Harrisburg, the Harrisburg (or Capital) campus of the Pennsylvania State University. It is one of more than 20 libraries in Pennsylvania State University Libraries system. Penn State Harrisburg Library is located at 351 Olmsted Drive and is open more than 90 hours per week (including nights and weekends) http://www.libraries.psu.edu/psul/harrisburg/information/hours.html.