Jerry E. Patterson Books

City of New York

By Jerry E. Patterson

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Autographs: a collector's guide

By Jerry E. Patterson

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The Vanderbilts

By Jerry E. Patterson

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Fifth Avenue

By Jerry E. Patterson

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This social history documents 175 years of America's most glorious main street. Jerry E. Patterson explores the avenue from its beginning, journeying uptown from Greenwich Village to Harlem and hig...

The first Four Hundred

By Jerry E. Patterson

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Porcelain

By Jerry E. Patterson

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Porcelain

By Jerry E. Patterson

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A collector's guide to relics & memorabilia

By Jerry E. Patterson

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Antiques of sport

By Jerry E. Patterson

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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.