Thomas Tidholm Books

It started when I began walking to work in Skellefteå. I was overweight and needed the exercise. On route were things that were nicely illuminated. I started taking photos of the lights, to and fro...

Country Beside Itself landet utom sig

By Gosta Flemming, Carolina Johansson, Lars Tunbjork

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Blandade dikter 1964 2004

By Thomas Tidholm

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By Thomas Tidholm

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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.