Kevin Doyle Books

The Complete Guide to Environmental Careers in the 21st Century

By Environmental Careers Organization, Kevin Doyle, Kevin Lee Doyle

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Onderzeeboten

By Kevin Doyle

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Aan de hand van een historische opbouw wordt duidelijk gemaakt wat de taak is van onderzeeboten- en wapens, hoe ze werken, wanneer ze ingezet zijn en hoe ze in de loop der tijd veranderd zijn. Met...

ECO Guide to Careers That Make a Difference

By Kevin Environmental Careers Organization, Kevin Doyle

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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.