Helen Greathead Books

Super sports

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Would you rather be hit by a baseball or a tennis ball? Would you tackle a sumo wrestler or a rugby player? These diabolical situations and more will have you running for cover as you plunge into a...

Mega Machines

By Helen Greathead

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Mega Machines

By Helen Greathead

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Perilous Places

By Helen Greathead

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EDGE What Would YOU Choose Perilous Places What Would YOU Choose

By Helen Greathead

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Well Made Fair Trade My T Shirt and Other Clothes WM Fair Trade

By Helen Greathead

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Well Made Fair Trade My Mobile and Other Smart Accessories WM Fair Trade

By Helen Greathead

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My Bed and Other Home Furniture

By Helen Greathead, Franklin Watts

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Well Made Fair Trade My Bed and Other Home Essentials WM Fair Trade

By Helen Greathead

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Megamachines

By Helen Greathead

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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.