Thomas J. Craughwell Books

QPB SHORT HISTORY OF THE PAPERBACK AND OTHER MILESTONES IN PUBLISHING

By Thomas J. CRAUGHWELL

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Santos Para Cada Ocasion

By Thomas J. Craughwell

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Patron saints

By Thomas J. Craughwell

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"Each entry explains why the saint is patron of whatever he or she is patron of, includes a summary of the saint's life, and highlights unusual or little-known facts about the saint"-- Back cover.

The greatest brigade

By Thomas J. Craughwell

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Patron Saints

By Thomas J. Craughwell

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Failures of the Presidents

By Thomas J. Craughwell

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How the Barbarian Invasions Shaped the Modern World

By Thomas J. Craughwell

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Bad kids of the Bible

By Thomas J. Craughwell

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Americas Great and Not So Great Catholic Moments

By Thomas J. Craughwell

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Prayers

By Thomas J. Craughwell

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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.