by Susan G. Davis University of California Press (Berkeley,  CA  94720),  1997.  313 pages,  paperback;  $18.95. Reviewed by Merritt Clifton        Spectacular Nature author Susan G. Davis spent eight years studying SeaWorld  San Diego,  1987-1995.  I spent under eight hours at SeaWorld San Diego,  on May 7,  1999  but it was time enough to confirm her […]