A BBC RADIO 4 BOOK OF THE WEEKIn this endlessly stimulating investigation into 'things coming to an end, artists' last works, time running out', Geoff Dyer sets his own encounter with late middle age against the last days and last achievements of writers, painters, athletes and musicians who've mattered to him throughout his life. He examines Friedrich Nietzsche's breakdown in Turin, Bob Dylan's reinventions of old songs, Beethoven's final quartets, Jean Rhys's return from th