Barry Friedman Books

Venice 3 visions in glass

By Barry Friedman

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Michael Glancy: Infinite Obsessions

By Barry Friedman

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The will of the people

By Barry Friedman

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Unwarranted

By Barry Friedman

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"As the debate about out-of-control policing heats up, an authority on constitutional law offers a provocative account of how our rights have been eroded In June 2013, documents leaked by Edward Sn...

Unwarranted

By Barry Friedman

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Fracture

By Barry Friedman

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Assignment

By Barry Friedman

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Prescription for Death

By Barry Friedman

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Sleeper

By Barry Friedman

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The Short Life of a Valiant Ship

By Robert Robinson, Barry Friedman

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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.