Allan Folsom Books

When a Texas oil exploration company discovers a massive oil reserve off the Equatorial Guinea coast, the company plots an overthrow of the region's government, a situation that is countered by U.S...

The Hadrian memorandum

By Allan Folsom

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The exile

By Allan Folsom

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Rendered mute after a traumatic attack, a beautiful young woman and her LAPD rookie brother find themselves enmeshed in a government conspiracy that forces them to outmaneuver an international hit...

The Machiavelli Covenant

By Allan Folsom

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The Exile

By Allan Folsom

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The Hadrian Memorandum

By Scott Sowers, Allan Folsom

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Day of confession

By Allan Folsom

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Ganins Pit

By Allan Folsom, Michael York

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Ganins Pit

By Allan Folsom, Michael York

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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.