Essays about the creation, circulation, and collection of medieval manuscripts. The essays collected here celebrate the work of Barbara Shailor, the distinguished scholar of medieval manuscripts. They explore various aspects of their provenance. The subjects addressed range from studies of the history of individual manuscripts, to the evidence afforded by the understanding of their textual traditions, to the significance of the identification of fragments, to the roles of individual scholars and collectors. As a whole the volume contributes to a wider understanding of how the history and ownership of medieval manuscripts can be fruitfully examined, a flourishing area of interest in the field.