Mike Widener is the Rare Book Librarian at the Lillian Goldman Law Library, Yale Law School, and previously was Head of Special Collections at the Tarlton Law Library, University of Texas at Austin, School of Law. He edited Public Services Issues with Rare and Archival Law Materials (Haworth Press, 2001). He is co-author (with Mark S. Weiner) of Law’s Picture Books: The Yale Law Library Collection (Talbot Publishing, 2017), the catalogue of a major exhibition at the Grolier Club. He has been a consultant to the law libraries at Texas Tech University and St. Mary’s University on their rare book collections, and with his wife, Emma Molina Widener, to the law libraries at the University of Adelaide, the University of Wyoming, and the Universidad Nacional Autónoma de México. He was the 2012–13 Chair of the Legal History & Rare Books Special Interest Section, American Association of Law Libraries, and is a member of the Grolier Club.