Book excerpt: This Informer issue focuses on the mafiosi of California, particularly those who relocated to the Golden State after launching criminal careers in other regions. California-related articles include: - Trail of blood: Mafia murder of Barnett Baff linked Corleone, East Harlem and the ghettos of Los Angeles; - Sam Streva and the 'San Pedro gang'; - Was DeJohn a victim of Cheese War? - Golden State often unfriendly to transplanted mobsters; - San Francisco boss Lanza held key role with Colorado's Mafia; - New Orleans connection to San Francisco Mafia. Other articles in this issue: - Reinhold Engel: Forgotten leader of a big-time robbery gang; - Another, other Gentile family; - Police rarely appear on U.S. postage; - New York revolutions in policing and crime.