David Heidler Books

Indian removal

By David Stephen Heidler, David Heidler

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The American Civil War in a Global Context

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Encyclopedia of the American Civil War

By David Stephen Heidler, Jeanne Heidler, David Heidler

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"The editors have compiled a comprehensive source that provides a first-stop reference on broad areas or specific topics on the Civil War. The contemporary photographs and lithographs bring the hum...

Old Hickory's War: Andrew Jackson and the Quest for Empire

By David Stephen Heidler, Jeanne Heidler, David Heidler

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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.