A. G. Harryvan Books

Max Kohnstamm

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Biography of the Dutch diplomat who, after surviving the horrors of World War II, worked with Jean Monnet for nearly 30 years to create the foundations of the present-day European Union.

Europa zwischen Hoffnung und Skepsis

By A. G. Harryvan, Hans Vollaard, Andre Krause

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Mehr als je zuvor steht Europa im Zentrum der politischen Debatte. Einstige Selbstverständlichkeiten sind durch die jüngsten Krisen Gegenstand eines intensiven Gedankenaustausches geworden. In den...

Internationale organisatie

By A. G. Harryvan, J. Van Der Harst, Peter M. E. Volten

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Uitgerekend Europa

By Jules Hermans

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Documents on European Union

By J. Van Der Harst, A.G. Harryvan, Trans

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Documents on European Union

By J. Van Der Harst, A.G. Harryvan, Trans

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Europa zwischen Hoffnung und Skepsis

By A. G. Harryvan, Hans Vollaard, Andre Krause

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Max Kohnstamm

By A. G. Harryvan

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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.