Jeff Primack Books

Smoothie Formulas: 120 Delicious High-Phytochemical Recipes

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3-Horsepower Blending breaks apart living anti-disease phytochemicals. God's Food Medicine is so effective that most are amazed how quickly health improvements take effect. When we first unveiled C...

Sudden Enlightenment Of The World

By Susan O'Malley, Jeff Primack, Perego

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Sudden Enlightenment of the World holds secrets that are currently transforming millions of lives across all cultures of society. A gripping adventure-tale, it draws from the mystical teachings of...

Mastering 5-Elements: Create Better Relationships In Love, Family, Business And Discover WHY People Act The Way They Do

By Jeff Primack, Jeff Primack Tanya Storch, Tanya Storch

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Cooking With Qi: The Ultimate High-Phytochemical Cookbook

By Jeff Primack

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The author presents a collection of recipes for raw and cooked dishes along with the author's perspective on how the ingredients and prepared foods can address a variety of chronic diseases and hea...

Conquering Any Disease (Book)

By Jeff Primack

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Conquering Any Disease

By Jeff Primack

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Food Healing : The Advanced Seminar Box Set

By Jeff Primack

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Food Healing : The Advanced Seminar Box Set

By Jeff Primack

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Qigong Healing : The Box Set

By Jeff Primack

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Qigong Healing : The Box Set

By Jeff Primack

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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.