Novelist Anne Bernays and biographer Justin Kaplan -- both native New Yorkers -- came of age in the 1950s, when the pent-up energies of the Depression years and World War II were at flood tide. Written in two separate voices, Back Then is thecandid, anecdotal account of these two children of privilege -- one from New York's East Side, the other from the West Side -- pursuing careers in publishing and eventually leaving to write their own books. Infused...