Robert Gellately 
Oxford History of the Third Reich [PDF ebook] 

Histories you can trust.At age thirty in 1919, Adolf Hitler had no accomplishments. He was a rootless loner, a corporal in a shattered army, without money or prospects. A little more than twenty years later, in autumn 1941, he directed his dynamic forces against the Soviet Union, and in December, the Germans were at the gates of Moscow and Leningrad. At that moment, Hitler appeared however briefly to be the most powerful ruler on the planet. Given this dramatic turn of events, it is little wonder that since 1945 generations of historians keep trying to explain how it all happened. This rich history provides a readable and fresh approach to the complex history of the Third Reich, from the coming to power of the Nazis in 1933 to the final collapse in 1945, distilling our ideas about the period and providing a balanced and accessible account of the whole era.