Henry Ehrlich Books

Sleep to Save Your Life: The Complete Guide to Living Longer and Healthier Through Restorative Sleep

By Gerard T. Lombardo, Henry Ehrlich

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Sleep to Save Your Life

By Gerard T. Lombardo, Henry Ehrlich

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A Time to Search

By Henry Ehrlich

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Quick Vocabulary Power

By Jack S. Romine, Henry Ehrlich

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The Wiley book of business quotations

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With more than 5,000 quotations drawn largely from the press and from the speeches of business leaders, this comprehensive reference brings you today's voice of business, including the words of suc...

The Wiley book of business quotations

By Henry Ehrlich

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Wiley Book of Business Quotations

By Henry Ehrlich

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Asthma Allergies Children

By Dr Paul Ehrlich Dr Larry Chiaramonte Henry Ehrlich

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Writing effective speeches

By Henry Ehrlich

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Writing Effective Speeches

By Henry 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.