In her astounding third collection, Nikki Wallschlaeger turns to water—the natural element of grief—to trace history’s interconnected movements through family, memory, and day-to-day survival. <em> Waterbaby</em> is a book about Blackness, language, and motherhood in America; about the ancestral joys and sharp pains that travel together through the nervous system’s crowded riverways; about the holy sanctuary of the bathtub for a spirit that’s pushed beyond exhaustion. Waterbaby sings...