Shortly before releasing deadly sarin gas on the Tokyo subway in March 1995, the Aum Shinrikyo religious cult published a vicious 95-page antisemitic tract that declared war on its Jewish archenemy. The gassing of the Tokyo subway was the culmination of a century of Japanese theorizing about Jews, an important part of which has been antisemitic. In recent years, books blaming Jews for everything from the designs on Japanese currency to the 1995 Kobe earthquake have appeared, and some have sold millions of copies. What explains this virtual obsession with Jews in Japan--a country that has no...