Katja Schrock Books

Traces of Making

By Katja Schrock, David Wendland

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Kirche als Baustelle

By Stefan Burger, Katja Schrock, Bruno Klein

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Wer sich heute große mittelalterliche Kirchen in den alten Städten Europas anschaut, sieht zumeist nur das künstlerische Resultat, ohne die schwierige Entstehungsgeschichte dieser Monumente zu bede...

Werkmeister der Spatgotik

By Stefan Burger, Katja Schrock, Bruno Klein

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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.