T. Harry Williams Books

Lincoln and His Generals Lincoln His Generals

By T. Harry Williams

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Huey Long

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Winner of the Pulitzer Prize and the National Book Award, this work describes the life of one of the most extraordinary figures in American political history. Huey Long was a great natural politici...

Huey Long

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Lincoln and His Generals

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Military Analysis of the Civil War

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Huey Long

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Our American nation.

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Lincoln And His Generals

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Hayes of the Twenty-Third

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Americans at War

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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.