Malka Drucker is an award-winning author of nearly twenty books, including Jacob's Rescue; The Family Treasury of Jewish Holidays; and Rescuers: Portraits of Moral Courage in the Holocaust, another joint project with photographer Gay Block; the Rescuers photo exhibition has traveled to more than seventy venues and was the basis for a Showtime television series. Block s photographs are shown widely in the United States and are held in numerous collections.