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...