Gerry Thompson Books

This is a simple yet comprehensive guide to using the ancient Chinese system of horoscopes in order to do your own readings. Much more is involved than just the twelve famous animal signs. The auth...

Celtic Oracle

By Gerry Maguire Thompson

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Cats Are from Venus Dogs Are from Mars

By Gerry Maguire Thompson

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Conversations with Dog

By Gerry Maguire Thompson

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Astral sex zen tea bags

By Gerry Thompson

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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.