Silent Dialogues, by art historian Alexander Nemerov, is a probing, intimate reflection about photographer Diane Arbus, the author's aunt, and her brother, Pulitzer Prize-winning poet Howard Nemerov, the author's father. "I have no memories of Diane Arbus," begins Alexander Nemerov in the first of two meditative essays that comprise this book. "A Resemblance" examines Howard Nemerov's complicated responses to his sister's photography. "The...