David Freed Books

The three nine line

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"More than forty years after their release from the notorious "Hanoi Hilton", three American prisoners of war return to Vietnam to make peace with their most brutal former captor, a guard whom they...

Fangs Out

By David Freed

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Flat Spin

By David Freed

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Flat spin

By David Freed

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Concrete carnival

By Danner Darcleight

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Dads Don t Babysit

By David Freed

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Fangs Out

By David Freed

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Voodoo Ridge

By David Freed

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Three Nine Line

By David Freed

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Hot Start

By David Freed

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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.