"A bold and deeply researched biography of a complicated cultural icon When Helen Gurley Brown published Sex and the Single Girl in 1962, it sold more than two million copies in just three weeks, presaging the self-help boom and helping to usher in the unapologetic self-affirmation of second wave feminism. Brown declared that it was okay, even imperative, to enjoy sex outside of marriage; that equal rights for women should extend to the bedroom; that...