Andy Thomas Books

Christmas Book

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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...

The New Heretics

By Andy Thomas

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This is the most balanced and well-reasoned investigation available into why people believe today’s highly divisive conspiracy theories, from COVID and QAnon to 5G scares, fake news and more....

Railways of the South East

By Andy Thomas

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Railways of the South East

By Andy Thomas

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Railways of the South East

By Andy Thomas

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Railways of the South East

By Andy Thomas

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Truth Agenda

By Andy Thomas

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Ready to Play

By Andy Thomas, Menatplay, Stephan Niederwieser

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UX Layout Pad MobileFirst Bootstrap Grid

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.