Michael Cunningham discusses and signs By Nightfall

40-somethings Peter and Rebecca Harris have settled into a comfortable life in the Manhattan art world, he as a dealer, she as an editor. All is as it should be, until Rebecca's much younger brother, nicknamed “Mizzy” (for “The Mistake”), shows up to visit. Peter finds himself disturbingly attracted to the recovering drug addict, who looks so much like his wife when she was that age. But is it Mizzy he wants, or the freedom Mizzy represents?