A new book by Piotr Zychowicz, a Polish author, about how Poland was to join Nazi Germany in invading the Soviet Union. He claims (according to his sources) that until the middle of 1939 Polish-German foreign relations were fundamentalised around that concept. In his book he claims that this started with the sighing of the German-Polish Non- Aggression Pact in 1934. http://en.wikipedia.org/wiki/German%E2%80%93Polish_Non-Aggression_Pact . Assuming that the final pact (on wagging war together) would be sighed by 1939 Germany wound move against France and Great Britain in the spring of 1940. After invading France Poland's role would have been to secure Germany's eastern borders by preventing the Soviets from intervening. After defeating France and pushing the British back onto their island Poland would join Germany in wagging war against the Soviet Union. Poland's foreign policy changed with the death of Marshal Pilsudski and the changes Beck's new government made.
Hitler attending a service in Berlin during Pilsudski's funeral