Bruce Chadwick Books

This is the story of two brothers who fought in the Civil War, Lt. Edmund Halsey for the North and Capt. Joseph Halsey for the South. Editor Bruce Chadwick obtained the recently discovered and neve...

The two American Presidents

By Bruce Chadwick

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In this, the first dual biography of the two leaders, Bruce Chadwick argues that one of several reasons why the North won and the South lost can be found in the drastically different characters of...

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.