The Post Academic Center is the university's main library, the result of a renovation of the original Francis A. Drexel Library and an expansion project called the Post Learning Commons, from 2011 to 2013. Drexel Library and Post Learning Commons are connected via a glass atrium and bridge through the heart of campus. Post Academic Center houses approximately 355,000 volumes, 1,450 print journals, 15,000 full-text electronic journals, 2,800 e-books, 866,000 microforms, and 4,975 audio-visual materials.