John Thomas Books

The Archaeology of the East Midlands

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This volume presents an Archaeological Resource Assessment and Research Agenda for the East Midlands region, comprising the modern counties of Derbyshire, Leicestershire and Rutland, Lincolnshire,...

A Voice Against the Wind

By John Thomas Richards

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A Stop on the Underground Railroad

By Paul Hofmann, Jermain Wesley Loguen

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Vmr Standard Used Car Prices

By John A. Iafolla

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Little Kingdom Builder Biblical Coloring Activity Book

By John 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.