H. J. Den Heijer Books

Atlantisch avontuur

By H. J. Den Heijer, Margot Boetes, Louis Sicking, P. C. Emmer

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Nederlands Brazilie in kaart

By H. J. Den Heijer

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Rietsuiker wordt ook wel beschouwd als het witte goud van de zeventiende eeuw. De Portugese kolonie Brazilië was destijds 's werelds belangrijkste producent van suikerriet, waarvan ter plaatse ruwe...

De VOC en De Beurs The VOC and the Exchange

By Henk Den Heijer

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De geschiedenis van de WIC

By H. J. Den Heijer

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Goud, ivoor en slaven

By H. J. Den Heijer, H. Den Heijer

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Naar de koning van Dahomey

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Rouw

By H. J. Den Heijer

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Geweld in de West

By Han Jordaan, Victor Enthoven, H. J. Den Heijer

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Geschiedenis van de WIC

By H. J. Den Heijer

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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.