FOR BETTER AND FOR WORSE by Myrna Blyth Putnam; 304 pages; $9.95
The '70s have been rough on women who grew up in the '50s. Take the heroine of Myrna Blyth's fine new novel.
When Sara leaves high school, her mother presents official rules for the mating game: "First a watch, then an engagement ring, finally a wedding band. After marriage, a woman should get a mink stole, then a mink jacket, then a mink coat, then a house on Long Island." But by the time Sara passes step No. 3, the rules no longer apply.
The free-for-all begins when her husband William,...