The book was not meant as a directive to act upon but simply a theoretical discussion. Unlike the Koran which calls for the murder of infidels or the christian belief that anyone who does not accept Jesus is dammed to hell. Sorry your words drip with anti antisemitism. You are trying to hide your own racist bias behind your verbiage. The Jewish belief insists that all people may enter the World to Come. The discussion of this Rabbi is concerning Gentiles who seek to harm the Jew.
Iran deal opposition grows among U.S. Republicans, Reuters poll shows (Reuters)
from the article: Israel's AG closes probe into authors of allegedly racist book