Ralf De Jonge Books

Koningin Fabiola

By Ralf De Jonge, Fabiola, Consort Of Baudouin I, King Of The Belgians Queen

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Koningin Elisabeth: Zwierige Vorstin In Woelige Tijden

By Ralf De Jonge, Woord Vooraf Door Astrid Bammens

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Als hertogin in Beieren, kroonprinses en uiteindelijk de derde koningin van België is Elisabeth een uitermate fascinerend personage uit de Belgische geschiedenis. Maar wie was deze vrouw? Zelfs v...

Kostbare Parels Aan De Belgische Kroon: Van Louise Marie Tot Astrid

By Ralf De Jonge, Ralf De , 1979- Jonge

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Ralf De Jonge. Includes Bibliographical References (p. 324-329).

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.