Bob Ehrlich Books

What If

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"Former Republican Governor of Maryland Robert Ehrlich presents his conservative political philosophy and indictment of the progressive policies of the Obama administration. Includes a collection o...

America

By Bob Ehrlich

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Former politician and author Bob Ehrlich "explores the cause and remedies to the seven most difficult issues confronting (and confounding) our culture and country ... [presenting] an urgent call to...

Turning Point

By Bob Ehrlich

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Bet you didn t see that one coming

By Bob Ehrlich

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Turn this car around

By Bob Ehrlich

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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.