David Gergen Books

Eyewitness to Power: The Essence of Leadership, Nixon to Clinton

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"As the twenty-first century opens, Gergen argues, a new golden age may be dawning in America, but its realization will depend heavily upon the success of a new generation at the top. Drawing upon...

You re It

By Barry C. Dorn, Eric J. McNulty, David Gergen, Leonard J. Marcus, Joseph M. Henderson

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True North

By David Gergen, Bill George, Peter Sims

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True North

By David Gergen, Bill George, Peter Sims

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Discover Your True North

By David Gergen, Bill George

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Discover Your True North

By David Gergen, Bill George

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Discover Your True North

By David Gergen, Bill George

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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.