Barry Holden Books

Understanding liberal democracy.

By Barry Holden

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Understanding liberal democracy

By Barry Holden

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Global Democracy

By Didier Jacobs

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The Ethical Dimensions of Global Change

By Barry Holden

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When you look up at the night sky, you will be able to see millions of stars. What else is out there in Space? How far away are the planets and the sun and the moon? What size are they? What are th...

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.