Yvonne Lewis is Assistant National Curator for Libraries at the National Trust. She specialises in library history and architecture, the reading experience, practical book-production techniques and book ownership from the medieval to modern periods, with particular expertise in the 16th to 18th centuries. She has published and lectured on various aspects of library history and provenance and is a council member of the Bibliographical Society.

Tim Pye is National Curator for Libraries at the National Trust. He is interested in all aspects of the history of books, specialising in 18th-century British book ownership and literature. He writes and gives talks on the history of book collecting and has curated major exhibitions on the Gothic and William Shakespeare. He has previously worked at the British Library, Cambridge University Library and Lambeth Palace Library.

Nicola Thwaite is Assistant National Curator for Libraries at the National Trust. She has a particular interest in the cataloguing of rare books and special collections, including provenance research. She was previously Head of Rare Books at Cambridge University Library, where she curated several exhibitions, and has also worked at the Fitzwilliam Museum (Founder's Library) and Modern and Medieval Languages and Linguistics Library, Cambridge.