The year 1924 was a crucial year for Hitler, for Germany and for the whole world! In this year, although Hitler had not yet seized the power, Hitler had undergone a fundamental ideological change, that is, he not only called himself the absolutely right leader, but also called himself the Savior of mankind! In fact, Hitler was far away from society at that time and stayed in prison because of the failure of Beer Hall Putsch. However, it is precisely because of the in-depth reading, writing, trial and speech in this year that created his later thoughts. So far, no one has ever studied the crucial year in Hitler's life. In 1924, Peter Ross Range describes the story and scene of the year as abundantly as possible, which is crucial for us to understand the war maniac Hitler, his works and his subsequent cruelties.