Edward G. Lengel Books

This Glorious Struggle: George Washington's Revolutionary War Letters

By George Washington, Edward G. Lengel

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Inventing George Washington: America's Founder, in Myth and Memory

By Edward G. Lengel

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The Irish through British Eyes

By Edward G. Lengel

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First Entrepreneur: How George Washington Built His--and the Nation's--Prosperity

By Edward G. Lengel

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"Draws on primary sources to illuminate the first president's lesser-known achievements as an entrepreneur, citing his financial prowess in building the Mount Vernon estate, managing Continental Ar...

Never in Finer Company: The Men of the Great War's Lost Battalion

By Edward G. Lengel

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Never in Finer Company

By Edward G. Lengel

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Thunder and flames

By Edward G. Lengel

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To Conquer Hell

By Edward G. Lengel

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To Conquer Hell

By Edward G. Lengel

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World War I memories

By Edward G. Lengel

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"World War I Memories: An Annotated Bibliography of Personal Accounts Published in English Since 1919 is a comprehensive reference to more than 1,400 memoirs, diaries, and letters by soldiers and c...

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.