Jan Kamphuis Books

De Lagchende Vallei

By Conrad Gietman, Jan Kamphuis, Rob Gruben, Taco Hermans

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Gelderland is dé kastelenprovincie van Nederland. Voor het overzichtswerk over kastelen in Gelderland werden 390 bestaande en verdwenen kastelen in kaart gebracht. In de loop van 80 jaar zijn er da...

Ruine van Brederode

By Co Allan

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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.