Eric Marshall White, PhD, is the Scheide Librarian and Assistant University Librarian for Special Collections, Rare Books and Manuscripts at Princeton University Library. He is a leader in the study of early European printed books and the material and historical evidence of their use and survival. His publications include Editio princeps: A History of the Gutenberg Bible (2017), which won SHARP’s DeLong Prize as the year’s outstanding book in the field of book history.