In plays such as Isn't It Romantic, Uncommon Women and Others, and the Pulitzer Prize-winning The Heidi Chronicles, Wendy Wasserstein put her finger on the pulse of her past-modern, post-feminist sisters and delivered her diagnosis with shrewd good humor and an unerring sense of the absurd. That same engaging sensibility bubbles through the twenty-nine essays in Bachelor Girls, in which Wasserstein presents her observations...