What if Anton Chekhov, undisputed master of the short story, actually wrote a novel--and the manuscript still existed? This tantalizing possibility drives The Summer Guest, a spellbinding narrative that draws together, across two centuries, the lives of three women through the discovery of a diary. During the long, hot summer of 1888, an extraordinary friendship blossoms between Anton Chekhov and Zinaida Lintvaryova, a young...