Franz Eher Nachfolger GmbH ("Franz Eher and Successors, LLC", usually referred to as the Eher-Verlag "Eher Publishing") was the central publishing house of the Nazi Party and one of the largest book and periodical firms during the Third Reich. It was acquired by the party on 17 December 1920 for 115,000 Papiermark. In addition to the major papers, the Völkischer Beobachter and the Illustrierter Beobachter, the publishers also printed novels, maps, song books, and calendars. Adolf Hitler's Mein Kampf was also published by the firm from 1925 through many editions and millions of copies.