Book Reviews : A Region's Press: Anatomy of Newspapers in the San Francisco Bay Area. By WILLIAM L. RIVERS and DAVID M. RUBIN. (Institute of Governmental Stud ies,University of California,Berkeley,1971. Pp. 172,$4.50.)

Book Reviews : A Region's Press: Anatomy of Newspapers in the San Francisco Bay Area. By WILLIAM L. RIVERS and DAVID M. RUBIN. (Institute of Governmental Stud ies,University of California,Berkeley,1971. Pp. 172,$4.50.)