Ingrid Schaffner Books

Isamu Noguchi Sculptural Design

By Isamu Noguchi

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Julien Levy: Portrait of an Art Gallery

By Ingrid Schaffner, Lisa Jacobs

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Julien Levy (1906-1981) was one of the most influential art dealers of the twentieth century. The Julien Levy Gallery, which opened in Manhattan in 1931 and closed in 1949, played an essential role...

Stephan Balkenhol

By Stephan Balkenhol

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Andy Warhol

By Ingrid Schaffner

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The Imagery of Chess Revisited

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The Essential

By Abrams

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The Essential

By Abrams

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The Essential

By Abrams

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The Essential

By Abrams, Ingrid Schaffner

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The Essential Joseph Cornell

By Ingrid Schaffner

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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.