Barbara Nierhoff Wielk Books

Im Atelier Liebermann. Gerhard Richter. Atlas Ubersicht 1

By Wulf Herzogenrath, Barbara Nierhoff Wielk, Evelyn Woldicke

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The Atlas plays a key role in Gerhard Richter's work. It accompanies his artistic work as a work in progress. Photographs, newspaper clippings, collages, overpaintings and sketches are arranged on...

Picasso Connection

By Michael Hertz, Barbara Nierhoff Wielk, Manuela Husemann, Pablo Picasso, Kai Hohenfeld

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Frank Gehry Hans Scharoun

By Gerlinde Gruber, Elke Oberthaler, Barbara Nierhoff Wielk, Evelyn Woldicke

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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.