Thomas Ryan Books

Elite Wrestling: Your Moves for Success On and Beyond the Mat

By Julie Sampson, Thomas Ryan

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Thomas Aquinas As Reader of the Psalms Studies in Spirituality and Theology 6

By Thomas F. Ryan

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Recollections of an old musician

By Ryan Thomas

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Using Investor Relations to Maximize Equity Valuation Wiley Finance

By Thomas Ryan, Chad Jacobs

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American Hit Radio

By Ryan Thomas, Thomas Ryan

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Starting in 1955, America began tracking its favorite songs on the top 40 charts. More than a record of our collective music tastes, the charts became snapshots that reveal who we are. Now Thomas R...

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By Eric Butow, Thomas Ryan, MaranGraphics

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Echocardiography Sixth Edition

By Thomas Ryan, William F. Armstrong, Harvey Feigenbaum

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Feigenbaum s echocardiography

By William F. Armstrong

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The letter to the Romans

By Ian Christopher Levy, Philip D. Krey, Thomas Ryan

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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.