Bestellservice Friedrich-Martin Balzer is an online specialist bookshop offering publications on German political, social, and church history. Its catalogue focuses particularly on Protestantism, antifascism, socialism, Marxist thought, democracy, and the history of postwar Germany. Many titles examine influential figures and contested episodes, including Erwin Eckert, Wolfgang Abendroth, Heinz Düx, Helmut Ridder, and the Frankfurt Auschwitz trial.

The shop sells books, collected works, essays, historical documents, and biographical studies, alongside selected digital and audiovisual items such as CD-ROMs and a video production. Its listings include both individual titles and multi-volume editions, with subjects spanning the Weimar Republic, the Cold War, relations between church and state, and German history across the twentieth century. Customers can browse featured products, view item details, and order online through the shop’s shopping cart. The website also provides information about payment, shipping, terms and conditions, returns, privacy, and customer contact. With a catalogue centered on historical and political scholarship, the service helps readers find works on topics and individuals that have shaped German public life.