Thomas Allen Books

Spy Book, 2nd Edition

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"Unmatched in its breadth and accessibility, Spy Book, 2nd edition is the definitive reference to the secret world of dead drops, code names, double agents, and black projects. With access to previ...

Possessed: The True Story of Exorcism

By Thomas Allen

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Assessing Literacy in Deaf Individuals: Neurocognitive Measurement and Predictors

By Thomas Allen, Donna Morere

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A New and Complete History of the County of York, Volume 4

By Thomas Allen

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Across Asia on a Bicycle

By Thomas Allen

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Being Younger Longer

By Thomas Allen, Wm Blakney

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Jenny Kissed Me!

By Thomas Allen

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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.