Director Of The Roosevelt House Public Policy Institute At Hunter College Harold Holzer Books

Lincoln at Cooper Union

By Director Of The Roosevelt House Public Policy Institute At Hunter College Harold Holzer, Mark Bramhall

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The Civil War in 50 Objects

By Harold Holzer, Eric Foner, New York Historical Society Staff

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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, the Emancipa...

A Just and Generous Nation Lib E: Abraham Lincoln and the Fight for American Opportunity

By Director Of The Roosevelt House Public Policy Institute At Hunter College Harold Holzer, Norton Garfinkle

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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.