William L. Shirer, The Rise and Fall of the Third Reich
http://www.worldwar-2.net/prelude-to-war/prelude-to-war-index.htm
Developments in Europe 2
Germans Elated 3-4
Reich Troops Jam Routes to Poland 5
London Staggered 6-7 Poland Unshaken; Still Would Fight 8
German Bomb (Editorial) 9
Nazi-Soviet Talks update at reply #2.
German military conference update at reply #4.
Ciano diary update at reply #5.