This book draws on a lengthy experience of teaching graduates how to approach medieval books. It leads the reader through the stages of the editorial process, using part of Richard Rolle's Commentary on the Song of Songs as the working exemplar. In the humane sciences, the need for texts is ubiquitous; they provide the regular objects of study. But far less prevalent than editions is any discussion of the premises underlying these objects, or the mechanisms by which they have been constructed. This volume takes up both challenges. First, in a preliminary chapter, it discusses what is at stake...