Mark Salter Books

NATIONAL BESTSELLER • Senator John McCain tells the story of his great American journey, from the U.S. Navy to his electrifying campaign for the presidency in 2000, interwoven with h...

Why Courage Matters

By John McCain With Mark Salter

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NEW YORK TIMES BESTSELLER • In this inspiring meditation on courage, Senator John McCain shares his most cherished stories of ordinary individuals who have risked everything to...

Character Is Destiny

By John McCain With Mark Salter

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NEW YORK TIMES BESTSELLER • Senator John McCain tells the stories of celebrated historical figures and lesser-known heroes whose values exemplify the best of the human spirit.He illustrates th...

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.