William Thomas Walsh Books

Our Lady of Fatima

By William T. Walsh, William Thomas Walsh

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"The future of our civilization, our liberties, our very existence may depend upon the acceptance of her commands." --William Thomas WalshThis was the conclusion reached by William Thomas Walsh, di...

The Mirage Of The Many

By William Thomas Walsh

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The Mirage Of The Many

By William Thomas Walsh

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A pastoral letter for the Lent of M.DCCC.LI 1851

By Catholic Church. Diocese Of Halifax. Bishop 1844 1852 Walsh

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Characters of the Inquisition

By William Thomas Walsh

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Isabella of Spain

By William Thomas Walsh

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Philip II

By William Walsh

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Peter the apostle

By William Thomas Walsh

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Isabella of Spain

By William Thomas Walsh

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Characters of the Inquisition

By William Thomas Walsh

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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.