Under Glass by Jen Hirt By RACHEL BARA • March 23, 2011 Related Program: WPSU's BookMark Tweet Share Google+ Email A Penn State Harrisburg professor recently published her first book of literary nonfiction. This collection of essays shares family stories, and tales of amazing, old greenhouses that made up the family business. Read an excerpt from the book. Visit the author's profile page on Penn State Harrisburg's website. Read an article about the book.