Jim Barrett Books

Storage Sheds Quick Guide
Un metier a votre mesure
Un metier a votre mesure

By Jim Barrett

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Des tests pour mieux cerner votre personnalité, vos motivations et vos compétences.

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Choose Your Life Choose Your Career
Career aptitude and selection tests
Career Aptitude and Selection Tests
How to pass advanced aptitude tests
The aptitude test workbook
The aptitude test workbook
Ultimate Aptitude Tests
Ultimate Aptitude Tests

By Jim Barrett

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Test Your Own Aptitude

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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.

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