James Gerard Books

George Horton was the US consul-general in Smyrna during WWI and its immediate aftermath. His account of the burning of Smyrna (Izmir) and the forced exodus of its Greek and Armenian inhabitants ch...

TL 9000 Implementation Guide A Complete Guide to the New Quality Standard for the Telecommunications Industry

By Edward Barabas, Richard Watts, James Gerard

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Leaving Christendom for Good

By James Gerard McEvoy

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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.