“Oh William!” by Elizabeth Strout (Random House)Elizabeth Strout has written another voice-driven novel, the third in a series of books about the fictional writer Lucy Barton and the people she grew up with in a small town in rural Illinois.“Oh William!” returns to the first-person perspective of 2016’s bestselling “My Name is Lucy Barton,” narrated by Lucy as she slowly recovers from what should have been a routine operation and her mother, from whom she’s been estranged, comes to see her in