Judi Moreillon has authored four professional books and earned the Scholastic Publishing Award in 2019. She taught preservice school and public library librarians for twenty-five years. She retired as an associate professor at Texas Woman's University. For thirteen years, she served as a school librarian at all three instructional levels—elementary, junior high, and high school. She has been a fifth-grade classroom teacher, elementary school literacy coach, and district-level K-12 librarian mentor. In addition to writing and consulting, she volunteers for the Freedom to Read Foundation, serving on the Communication and Education Committees and as the American Library Association Retired Members Round Table liaison; the ALA's Office of Intellectual Freedom's Intellectual Freedom Round Table Publications and Communication Committee; and the Arizona Library Association's Grand Canyon Reader Award Committees for Picturebooks and Nonfiction.