[3] It describes itself as "an international organization that responds directly to the issues raised by missionaries and cults, by exploring Judaism in contradistinction to fundamentalist Christianity.

The radio show had many prominent guests, including Israeli and American politicians, rabbis, terror victims, and authors.

Among those who came on the show were: 47th Governor of Texas Rick Perry; American stand-up comedian in political satire, Jackie Mason; former US ambassador for the UN, John R. Bolton; businessman Ronald Lauder; Israeli Ambassador Dore Gold; American-born Israeli historian, author and politician, Michael Oren; Dead Sea Scroll expert Prof. Lawrence Schiffman; American conservative political activist, Alan Keyes; Israeli politician, Danny Danon; former American ambassador and an ardent anti-communist, Jeane Kirkpatrick and many others.

His new expanded edition is a two-volume book that takes a critical look at long-standing Christian charges against the Jewish faith.

"[9] A book review by Jewish Values Online described Singer as "a master of his material" and that "his meticulous research and command of Biblical sources is most impressive.