Ronald J. Rychlak ("Rishlak") has produced another good book in defense of THE TRUTH. You might know him already from his masterly Hitler, the War and the Pope. Now there comes, Righteous Gentiles: How Pius XII And the Catholic Church Saved Half a Million Jews from the Nazis
There are some very good books available which tell the truth about Servant of God Pope Pius XII. For example, a recent book by a Rabbi is .
Also check out Fr. Pierre Blet, SJ: Pius XII and the Second World War: According to the Archives of the Vatican
In justice Pius XII ought to be declared a Righteous Gentile.