The New York Historical Society Books

Collections of the New York Historical Society

By The New York Historical Society

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The Hudson River School: 2011 Wall Calendar

By The New York Historical Society

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The Civil War in 50 Objects

By Harold Holzer, The New York Historical Society

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The American companion to A History of the World in 100 Objects, a fresh, visual perspective on the Civil WarFrom a soldier’s diary with the pencil still attached to John Brown’s pike,...

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.