John C. Waugh Books

How historians work

By John C. Waugh, Drake Bush, Judith Lee Hallock

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Lincoln and Mcclellan

By John C. Waugh

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Lincoln and McClellan

By John C. Waugh

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No single group of men at West Point--or possibly any academy--has been so indelibly written into history as the class of 1846. The names are legendary: Thomas "Stonewall" Jackson, George B. McClel...

One Man Great Enough

By John C. Waugh

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Lincoln and the War s End

By John C. Waugh

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Lincoln and McClellan

By John C. Waugh

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One Man Great Enough

By John C. Waugh

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Unforgettables

By John C. Waugh

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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.