Lester D. Langley Books

Central America

By Lester D. Langley

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The banana wars: United States intervention in the Caribbean, 1898-1934

By Lester D. Langley

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The Americas in the Age of Revolution: 1750-1850

By Lester D. Langley

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The Americas in the modern age

By Lester D. Langley

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"In this book, the historian Lester D. Langley offers a fresh interpretation of the history of the modern Western hemisphere since the mid-nineteenth century. He evaluates the dynamics of hemispher...

Cuban Policy of the United States

By Lester D. Langley

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Central America

By Lester D. Langley

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MexAmerica

By Lester D. Langley

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The Banana Wars

By Lester D. Langley

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Simon Bolivar

By Lester D. Langley

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Simon Bolivar

By Lester D. Langley

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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.