William R. Polk Books

Polk's Folly: An American Family History

By William R. Polk, William Roe Polk

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Polk's Folly

By William R. Polk

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Polk's Folly is William Polk's captivating investigation of his impressive family tree and of the broader American tale it narrates.Growing up in Texas in the late 1930s, listening to his grandmoth...

Passing Brave

By William Mares, William Roe Polk

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The Arab World Today: Fourth Edition

By William R. Polk, William Roe Polk

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The Arab World

By William Roe Polk

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The Arab World Today: Second edition

By William R. Polk, William Roe Polk

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The Arab world today

By William Roe Polk

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The Arab World Today

By William R. Polk

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The United States and the Arab World: Third edition

By William R. Polk, William Roe Polk

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The elusive peace

By William R. Polk

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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.