Murray Grossan Books

The Sinus Cure

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From an award-winning medical writer and a board-certified otolaryngologist comes the definitive guide for sinus sufferers, revised and updated with additional medical treatments.If you're one of t...

The Sinus Cure

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From an award-winning medical writer comes the definitive guide for sinus sufferers.If you're one of the thirty-eight million who endure from sinus problems, you know the debilitating effects this...

Stressed Anxiety Your Cure Is in the Mirror

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The whole body approach to allergy and sinus health

By Murray Grossan

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Whole Body Approach to Allergy and Sinus Health

By Murray Grossan

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Portrait of Secrets

By Murray Grossan

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Fairy Tales That Resonate Today

By Murray Grossan

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Burqa Bride

By Murray Grossan

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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.