As many people who have spent time online can attest, the idea of the internet as an ideological war zone is hardly new. With his new book, “Japan’s Nationalist Right in the Internet Age: Online Media and Grassroots Conservative Activism,” however, Jeffrey J. Hall has brought academic rigor to one group rarely studied: the Japanese right.

Japan’s Nationalist Right in the Internet Age, by Jeffrey J. Hall218 pagesROUTLEDGE

Hall’s book, released by Routledge on April 7, maps how neo-nationalist groups use the internet to bypass the mainstream media. Some of these groups reach huge numbers of people, and claim to have shifted national political opinion on key national issues of territory disputes and wartime history.