Mein Kampf ("My Struggle") is a political autobiography and ideological manifesto written by Adolf Hitler in the 1920s. The book combines autobiographical elements with Hitler's political views, nationalist ideology, and plans for Germany's future.

The work is historically significant because it outlines many of the ideas that later influenced the policies of the Nazi regime. Historians often study it to better understand the origins of Nazi ideology, the rise of totalitarianism, propaganda techniques, and the events that contributed to the outbreak of the Second World War and the Holocaust.

Today, the book is primarily read and analyzed in academic, historical, and political contexts rather than as a source of guidance or philosophy.