William Roe Polk Books

Drawing on decades of experience in government and in the academy, William R. Polk offers a uniquely informed view of foreign relations as they occur in the real world. Rather than focusing narrowl...

Understanding Iran

By William Roe Polk

Average: 0.00, 0 Ratings

William R. Polk provides an informative, readable history of a country which is moving quickly toward becoming the dominant power and culture of the Middle East. A former member of the State Depart...

The Elusive Peace: The Middle East in the Twentieth Century

By William Roe Polk

Average: 0.00, 0 Ratings

Polk's Folly: An American Family History

By William R. Polk, William Roe Polk

Average: 0.00, 0 Ratings

Passing Brave

By William Mares, William Roe Polk

Average: 0.00, 0 Ratings

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.