Guus Pikkemaat Books

Geschiedenis van Noviomagus Nijmegen

By Guus Pikkemaat

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Willem IX de Troubadour 1071 1126

By Guus Pikkemaat

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Biografie van de Franse hertog en troubadour..

Vesting Naarden

By Guus Pikkemaat, Jorien Jas

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Vrijheid gelijkheid en broederschap

By G. Pikkemaat

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Guus Pikkemaat werd landelijk bekend om zijn alom geprezen biografie van 'Eleonore van Aquitanië'. Daarna publiceerde hij ook nog een goed ontvangen biografie over 'Jeanne d 'Arc' en ander historis...

Een dodelijk liefdesdrama te Nijmegen in 1712

By Guus Pikkemaat

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Eleonore van Aquitanie 1122 1204

By Guus Pikkemaat

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Vesting Naarden

By Guus Pikkemaat

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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.