Tom Perrotta’s latest novel, Mrs. Fletcher, involves a lot of porn and sexual adventure, but that’s not to say it’s lacking in heart. Beneath the more sensational parts of the book is a story about embracing the fluidity of your identity and giving yourself the freedom to change. The first part of the novel cuts between the titular character of Eve Fletcher—a single mother in her mid-forties—and her son Brendan during a major transitory period in both of their lives. Brendan leaves home for his first year of college, and Eve is alone for the first time. In her son’s absence, she is left to reexamine her choices. Her newfound independence becomes the impetus for her awakening sexually, intellectually, and socially. Specifically, she becomes transfixed by lesbian porn sites and starts seeing the scenes of her life through the lens of porn scenarios. This leads her to sign up for a Gender and Society course at the local community college, as well as question aspects of her identity she once thought were fixed. Meanwhile, Brendan envisioned that college would just be about parties, drinking, and hooking up with girls. After a few weeks there, though, his fantasy begins to fall apart; continue...