Peter Knorr Books

Messwerte der Informationsnachfrage in komplexen Beurteilungsprozessen

By Peter Knorr

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The Storyteller of Damascus

By Peter Knorr, Rafik Schami

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An old storyteller travels the streets of Damascus with a wonder chest full of images to delight children, but as time passes, the images fade and are replaced by glossy advertisements, changing th...

Toskana Mallorca. 2 CDs. Das Lese Duell.

By Peter Knorr, Robert Gernhardt

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Der machtige Max

By Peter Knorr

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Erna der Baum nadelt. Ein botanisches Drama am Heiligen Abend.

By Bernd Eilert, Peter Knorr, Volker Kriegel, Robert Gernhardt, Harry Rowohlt

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Im Land der Schokolade und Bananen

By Karin Gundisch, Peter Knorr

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Franze

By Peter Knorr, Peter Hartling

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Mein Paulek

By Peter Knorr, Dagmar Chidolue

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Der kleine Grossvater

By Peter Knorr, Peter Steinbach

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Luftveranderung

By Peter Knorr, Herbert Gunther

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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.