Rabbi Edward Feinstein is senior rabbi of Valley Beth Shalom in Encino, California. He is an instructor in the Ziegler Rabbinical School of American Jewish University and the Wexner Heritage Program. He is the author of Tough Questions Jews Ask: A Young Adult's Guide to Building a Jewish Life (Jewish Lights) and Capturing the Moon; and the editor of Jews and Judaism in the 21st Century: Human Responsibilities, the Presence of God, and the Future of the Covenant (Jewish Lights). He contributed to May God Remember: Memory and Memorializing in Judaism--Yizkor; Who by Fire, Who by Water--Un'taneh Tokef and We Have Sinned: Sin and Confession in Judaism--Ashamnu and Al Chet (all Jewish Lights).