Jack Thomas Books

Eliminate Stress Forever with Psychoharmonics

By Jack Thomas

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Prison journal

By Joseph F. Timilty

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Successful Boston politician Joseph Timilty was indicted in 1993 for conspiracy to commit fraud in a condominium development project. "Technically, I'm guilty," he admits. "I put my name on a HUD f...

With God all things are possible

By Jack Thomas

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LES PROTESTANTS DU LANGUEDOC ET LA JUSTICE ROYALE DE LOUIS XIV A LA REVOLUTION

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Les parlements de province

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Doing It

By Jack Thomas

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Head On

By Jack 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.