Carolyn Thomas Books

Reading the Letters of Saint Paul

By Thomas Carolyn, Carolyn Thomas

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Gift and response

By Thomas Carolyn

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Journeys into John

By Carolyn Thomas

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Island treasures

By Thomas Carolyn, Stewart Carolyn, Carolyn Thomas

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A woman s guide to living with heart disease

By Carolyn Thomas

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"Soon after she recovered from a major heart attack, public relations specialist Carolyn Thomas turned her talents to learning and blogging about heart disease in women--and, now, to writing a book...

A woman's guide to living with heart disease

By Carolyn Thomas

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Island Treasures 2

By Jill Stewart, Carolyn Thomas

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Rose in Snow

By Carolyn Thomas

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Rose in Snow

By Carolyn 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.