Franklin H. Littell's The Crucifixion of the Jews: The Failure of Christians to Understand the Jewish Experience was a deeply compelling read that I couldn't put down until completion! A couple of quick quotes from my reading:

“…the dehumanization of other human persons is only acceptable to those who have themselves lost human features.”

“What defeated us, ultimately, was Jewry's indestructible optimism, our eternal faith in the goodness of man - or rather, in the limits of his degradation… we paid a terrible price for our hope…”