Duncan Stewart is the primary special collections cataloger at University of Iowa Libraries, focusing on rare books, artists’ books, and ephemera. He has cataloged items as diverse as a miniature book encased in walnut shell, Icelandic videos, printing plates, and even a pair of shoes. Duncan is the UI Libraries subject liaison to the School of Library and Information Science and coordinates the UI Libraries/UI SLIS student mentoring program. He teaches Beginning Cataloging and Classification and Beginning Rare Book Cataloging.