Jan Thijssen Books

In de schaduw van het noorderlicht

By Rob Mols, Jan Thijssen, Harry Van Enckevort

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Karel de Grote in Nijmegen

By Jan Thijssen

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In 2014 is het 1200 jaar geleden dat Karel de Grote overleed. De eerste Keizer van het Heilige Roomse Rijk, geboren in 742, spreekt ook nu nog tot de verbeelding. Voor Nijmegen, bijgenaamd de Karel...

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.