Major aspects of Judaism, by the editor.--The challenge to the rabbis as interpreters of Jewish law, by Isaac Unna; translated by Miriam Aumann.--The challenge to Jewish education, by D. D. Pool.--The challenge of science, by M. L. Isaacs.--The challenge of Jewish-Christian relations, by M. W. Lampe.--Jewish-gentile relations (considered from the Jewish viewpoint) by Bernard Drachman.--An epistle on tolerance by a ?rabbinic zealot', by O. Z. Fasman.--Judaism - a sociological approach, by M. H. Farbridge.--The challenge of Eretz Israel, by Paul Goodman.--The challenge to Israel, by Isaac Breuer; translated by I. S. Adlerblum.--The challenge of Biblical criticism, by A. Cohen.--Judaism - a psychological approach, by H. R. Gold.--Judaism and western civilization, by Salis Daiches.--Reason and mysticism, by Eli Munk; translated by I. Sossnitz.--Some modern challenges to Jewish marriage, by