Barry Walker Books

Singular Multiples: The Peter Blum Edition Archive, 1980-1994

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"Peter Blum was the first print publisher in the United States to introduce and promote a new generation of European, Asian, and American artists to a larger public. Singular Multiples presents all...

Donald Sultan : a print retrospective

By Barry Walker

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Site Drawings by Martyl

By Barry Walker, Martyl

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Prints of the German expressionists and their circle

By Barry Walker

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Sticks Stones

By Barry Walker, John Beardsley

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Peruvian Wildlife

By Barry Walker, Gerard Cheshire, Huw Lloyd

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Alex Katz

By Barry Walker

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The Birds of Machu Picchu and Cusco Region

By Barry Walker

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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.