Richard Reisen Books

Ulrich Wust

By Richard Reisen, Hanns Zischler, Ulrich Wust, Achim Heine, Rolf Sachsse

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Marie Goslich

By Marie Goslich

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Marie Goslich, 1859 in Frankfurt an der Oder geboren, arbeitete nach Umwegen zunächst als?Schriftstellerin und Redakteurin±. Diese Berufsbezeichnung, die sich im Berliner Einwohnerverzeichnis finde...

Last of a breed

By Martin H. Schreiber

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Uebergangsheim Schiessstrasse

By Richard Reisen

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In 1989 Richard Reisen worked for several months as a security guard in an asylum seekers' inn at 5 Schiessstrasse in Düsseldorf-Heerdt. He brought his camera with him, and what he photographed ove...

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.