Peter Kalchthaler Books

Summary: This publication, accompanying an exhibition at the Augustinermuseum in Freiburg, commemorates the 300th birthday of Johann Christian Wentzinger. A Baroque sculptor, painter and architect,...

200 Jahre Burgerkultur

By Achim Aurnhammer, Peter Kalchthaler, Klaus Werner Benz, Ulrich Dold

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Freiburger Munster

By Hans W. Hubert, Peter Kalchthaler

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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.