The eponymous S. is Sarah Worth, Boston bred, upper-class WASP, and when we meet her in this epistolary narrative, she is on an airplane, writing to tell her doctor husband she is leaving him to join her guru on an Arizona religious commune. In a whimsical twist, Updike makes Sarah a Hawthornian counterpart to Roger in Roger's Version: one of her ancestors was a Prynne; her daughter's name is Pearl. Through letters to members of her family, her hairdresser and dentist, and through tapes sent to ...