Dave Jeffery Books

Deafness and Challenging Behaviour

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Blood Brains Bullets

By Chris McInally, Jake Bible, R.F. Blackstone, Dane Hatchell, Doug Goodman, Dave Jeffery, Alister Hodge, Lucas Pederson, Michael Yowell, Lee Murray

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Ray Tonks has the power to see disasters as they happen. But he cannot do anything to stop them. Then comes the worst vision yet. Ray sees terrible future images, that defy logic, ghastly twisted s...

The six month guy

By Dave Jeffery

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Frostbite

By Dave Jeffery

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Tooth Claw

By Dave Jeffery

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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.