EDNOTE
 
I see that GLOBUS in San Francisco has A.M. Zverev
NABOKOV (2nd ed) priced at $18 plus shipping. This the most extensive Russian-language biography of VN. Although no match for the Brian Boyd bio, it is interesting as a well-informed view from a Russian perspective.
 
globus@jps.net or http://pwebs.jps.net/~globus