It is a truism that the early modern book world run on paper. However, the European paper trade is one of the most unknown economic activities of the early modern period. In fact, the workings of the paper trade between the fifteenth and early nineteenth centuries remain one of the least studied areas of book history, communication history, and many more fields of expertise in which paper is interwoven and present. This research network, founded by Sandra Zawrel and Daniel Bellingradt in September 2015, aims to reposition the paper trade in (book) history.