Andy Thomas Books

At any time in our history, you will find significant and seemingly indisputable events occurring, the kind that can change the course of our lives -- the assassination of President John F. Kennedy...

Fields of Mystery

By A. Thomas

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Quest for Contact

By Paul Bura, Andy Thomas

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Vital signs

By Andy Thomas

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Streets of Fire

By Andy Thomas

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The Lewes Flood

By Andy Thomas

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Vital Signs

By Andy Thomas

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Swirled Harvest

By Andy Thomas

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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.