Geoff Barker Books

Incredible skyscrapers

By Geoff P. Barker, Geoff Barker

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Health and social care

By Geoff P. Barker, Geoff Barker

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"Describes jobs in the medical and social care fields. Includes information on doctors, nurses, and social workers, and their responsibilities"--Provided by publisher.

"Describes jobs in the sports and leisure industry. Includes information on professional athletes, coaches, fitness center directors, outdoor adventure guides, and more, covering their responsibili...

Soccer star

By Geoff Barker

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Health and social care careers

By Geoff Barker

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"Describes jobs in the medical and social care fields. Includes information on doctors, nurses, and social workers, and their responsibilities"--Provided by publisher.

Sports and leisure careers

By Geoff Barker

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Incredible skyscrapers

By Geoff Barker

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What is a Myth

By Geoff Barker

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What Is a Myth

By Geoff Barker, Hope Killcoyne

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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.