Mark Halperin Books

The Undecided Voter's Guide to the Next President: Who the Candidates Are, Where They Come from, and How You Can Choose

By Mark Halperin

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Game Change: Obama and the Clintons, McCain and Palin, and the Race of a Lifetime

By Mark Halperin, John Heilemann

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From two of the best political reporters in the country comes the gripping inside story of the historic 2008 presidential election.

Double Down

By Mark Halperin, John Heilemann

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Michiko Kakutani, The New York Times:"Those hungry for political news will read Double Down for the scooplets and insidery glimpses it serves up about the two campaigns, and the clues it offers abo...

Falling Through the Music

By Mark Halperin

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Race of a Lifetime

By Mark Halperin

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Double Down

By Mark Halperin

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Accent on meter

By Joseph Powell

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The Way to Win

By John F. Harris, Mark Halperin

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The measure of islands

By Mark Halperin

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The measure of islands

By Mark Halperin

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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.