How delightful that in an era as crude as ours this finely composed new novel by Amor Towles stretches out with old-World elegance. “A Gentleman in Moscow” offers a chance to sink back into a lost attitude of aristocracy — equal parts urbane and humane — just what we might expect from the author of that 2011 bestseller “Rules of Civility.” But if Towles’s story is an escape we crave, it is also, ironically, a story of imprisonment…You can read the full review here.