From the 1950s through the 1990s, antisemitism everywhere seemed to be on the wane. But as Neil Kressel documents in this startling book, the Muslim world has resurrected in recent decades almost every diatribe that more than two millennia of European hostility produced against the Jews, and it has introduced many homegrown and novel modes of attack. Though it is impossible to determine precisely how many of the world's 1.2 billion Muslims hold anti-Jewish...