Melissa Adler, Ph.D., is an Assistant Professor in the Faculty of Information & Media Studies at Western University in London, Ontario. Her research concerns the history of knowledge organization systems as they intersect with state and cultural discourses. Adler’s book, Cruising the Library: Perversities in the Organization of Knowledge (Fordham University Press, April 2017), is a study of the history of sexuality through the lens of Library of Congress classifications and categories.