Chris Graham Books

The chicken keeper s problem solver

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Whether you have a large country garden or a city backyard, there is always enough room to keep a couple of chickens. But which chickens should you buy and what do you do with them when you get the...

Choosing and keeping chickens

By Chris Graham

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Choosing and Keeping Chickens

By Chris Graham

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The plain and simple guide

By Chris Graham

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Stop the Presses

By Chris Graham

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Judge Not

By Chris Graham

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So Many Snakes

By Chris Graham

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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.