Klaus Kordon Books

Como saliva en la arena

By Klaus Kordon, Rosa Pilar Blanco Santos

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Frank, of Hoe je vrienden vindt

By Klaus Kordon

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Frank, die tijdens de Tweede Wereldoorlog in Berlijn is geboren, ervaart dat het leven in Duitsland vlak na de oorlog nog steeds hard is, maar gelukkig heeft hij vrienden die hem steunen.

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.