Dave Jeffery Books

A 12 year old girl. A 200 year old secret. Beatrice Beecham - Adventure has new ingredients! If it is well known that laughter is good for your mental health; then take a look inside this book!

Inkblots

By Jay Long, Andrew Fremder, Dave Jeffery, Jeff Oliver

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Shades of Santa

By Anthony Ferguson, Dave Jeffery, C. Raven, Matthew Davis, Lee Murray

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Dark Voices

By J. R. Park, Dave Jeffery, C. L. Raven, Rod Glenn, Matt Shaw

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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.