Sidney Berger got his Ph.D. at the University of Iowa in Medieval English Literature and Bibliography. He has been a professor for more than 4 decades and a rare book librarian for almost 30 years. His most recent position was the Ann C. Pingree Director of the Phillips Library at the Peabody Essex Museum. He is on the faculties of SLIS at Simmons and at the University of Illinois, Urbana/Champaign, where he teaches courses in rare books and special collections. He has published more than 15 books, the most recent of which is Rare Books and Special Collections (Chicago: Neal-Schuman / American Library Association, 2014). He has also published scores of articles on a variety of topics.