Patricia K. Tull is Professor Emerita of Old Testament at Louisville Presbyterian Seminary. She is the author or editor of several books, including "Esther and Ruth" in the Interpretation Bible Studies series and the 2001-02 "Horizons" Bible Study, "Esther's Feast: A Study of the Book of Esther". An ordained minister in the Presbyterian Church (U.S.A.), she also writes a regular column on environmentalism for WorkingPreacher.org.