H. Roger Grant Books

The Railroad: The Life Story of a Technology

By H. Roger Grant

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Railroaders without borders

By H. Roger Grant

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John W. Barriger III

By H. Roger Grant

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In John W. Barriger III: Railroad Legend, historian H. Roger Grant details the fascinating life and impact of a transportation tycoon and "doctor of sick railroads." After graduating from the Massa...

Erie Lackawanna

By H. Roger Grant

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Erie Lackawanna

By H. Grant

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Insurance reform

By H. Roger Grant

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Years of Struggle

By H. Roger Grant, L. Edward Purcell, Elmer G. Powers

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Ohio on the move

By H. Roger Grant

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Ohio on the move

By H. Roger Grant

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Years of struggle

By Elmer G. Powers

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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.