A woman reported the incident around 7 p.m. on March 8.
Surveillance images show the man leaving the library.
The suspect is described as a white male with a beard, wearing a black shirt and hat. He was also carrying an article of clothing.
An image of the man was captured on surveillance video.
Anyone with information is asked to contact Det. Scott Pezick at 484-875-6021.
- Send a breaking news alert to Action News
- Report a correction or typo
- Learn more about the 6abc family of apps