Karen Attar is the curator of rare books and university art at Senate House Library, University of London, and a research fellow at the Institute of English Studies, University of London. She is the reviews editor for Library & Information History and edited among other works the third edition of the Directory of Rare Book and Special Collections in the United Kingdom and Republic of Ireland. Andrew Nash is a reader in book history and director of the London Rare Books School, Institute of English Studies, University of London. His most recent major publication is The Cambridge History of the Book in Britain, Volume 7, co-edited with Claire Squires and Ian Willison. He was an editor of The Review of English Studies from 2011-20.