The prose poem is a challenging genre. After all, what distinguishes “plain prose” from “prose poetry”? Here, in Judith Ortiz Cofer’s “The Aging Maria,” I’d say it’s, first, the liberty with sentence structure. Take the opening sentence: in a prose work we’d say it’s too long, stretches in too many directions. But here, each phrase…

At night, through the mottled glass of a door that leads out onto the roof of the building, a red light flashes on, then off, on, then off. It is like a scene from an early fifties’ noir movie. A seedy part of town. A motel. A neon sign flashing with an advertisement for “Girls,…