Exuberance and dread, attachment and estrangement: in this novel, Jhumpa Lahiri stretches her themes to the limit. The woman at the center wavers between stasis and movement, between the need to belong and the refusal to form lasting ties. The city she calls home, an engaging backdrop to her days, acts as a confidant: the sidewalks around her house, parks, bridges, piazzas, streets, stores, coffee bars. We follow her to the pool she frequents and...