In Antisemitism: History and Myth, Spencer provides a carefully researched overview of this most persistent, and most unjustified, of phenomena, but not, of course, any sort of remedy.
Antisemitism and the 1753 Jew Law Controversy is a most valuable and timely book, especially given the recent demonstration of rampant Jew-hatred by Hamas.
The months since the war started, another front has developed: Antisemitism. This front does not comprise soldiers, artillery, or tanks, but it is still important.