Tatyana Tolstaya lives a double life. A fiercely postmodern, vibrant writer of the here-and-now, an indulgently larger-than-life presence in Russian letters and culture at home and abroad, she is also a ghost – a rather hard-to-miss, palpably material ghost, but a ghost of Russian and Tolstoyan past, nonetheless. Her latest collection of short stories, Aetherial...