William Ryan Books

The Constant Soldier Paperback William Ryan

By William Ryan

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Coding for Optical Channels

By William Ryan, Bane Vasic, Ivan Djordjevic

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The Lab the Temple and the Market

By Sharon M.P. Harper

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What do faith, science, and the world of international development have to offer one another? Current international development discourse is starting to look at how religion affects globalization,...

Sintflut. Ein Ratsel wird entschlusselt.

By William Ryan, Walter Pitman

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Sintflut. Ein Ratsel wird entschlusselt.

By William Ryan, Walter Pitman

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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.