Thomas Heagy Books

The Angle Of Repose: Four American Photographers In Egypt

By Linda Connor, Sarah Anne McNear, Thomas C. Heagy, Thomas Heagy, Emily Teeter

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Barbara Crane: Chicago Loop

By Barbara Crane, Sarah Anne McNear, Thomas C. Heagy, Thomas Heagy

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Foreword / Thomas C. Heagy -- Barbara Crane, Chancing The Loop / Sarah Anne Mcnear. This Publication Accompanies The Exhibition ... Organized By The Museum Of Contemporary Photography, Columbia Col...

Chicago Photographs

By Carol Ehlers, John Szarkowski, Thomas Heagy, Vera Lutter

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One Of A Kind: Portraits From The Lasalle Bank Photography Collection

By Carol Ehlers, Thomas Heagy, LaSalle National Bank

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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.