Germany's Adolf Hitler was, without argument, a monster. He unleashed the horrors of World War II and ordered the murder of millions in his quest to create his twisted version of a pure German empire. In this, the first of a two-volume biography of "der Fuhrer," New York Times bestselling author Donna Faulkner explores Hitler's rise to power - as well as the twisted roots of his genocidal brutality. His story is one of dysfunction and megalomania: from Hitler's early days as a frustrated schoolboy and artist to a power-hungry, and masterful, politician who manipulated the German people wracked by economic deprivation. Nearly three-quarters of a century later, the world is still grappling with the horrific legacy of Adolf Hitler. Here's how it all began.