Thomas L. Pangle Books

Thomas Pangle and Peter Ahrensdorf provide a critical introduction to the most important conceptions of international justice, spanning 2,500 years of intellectual history from Thucydides and Plato...

Theban Plays

By Sophocles, Peter J. Ahrensdorf, Thomas L. Pangle

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Leo Strauss

By Thomas L. Pangle

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The Roots of Political Philosophy

By Thomas L. Pangle, Platon

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The Ennobling of Democracy

By Thomas L. Pangle

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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.