Elson M. Haas Books

The False Fat Diet

By Elson Md Haas, Elson M. Haas, Cameron Stauth

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It's a fact: not all weight is really fat. Much of being overweight is caused by allergy-like food reactions. This "false fat" is easy to put on, but it can be hard to take off. Now you can do it--...

The detox diet

By Elson M Haas

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Pravil noe pitanie i ochischenie organizma ot

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La salud y las estaciones

By Elson M. Haas

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The New Detox Diet

By Daniella Chace, Elson Haas

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More Vegetables Please

By Elson Haas, Patty James

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Staying Healthy with Nutrition, rev

By Elson Haas

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The twenty-first century edition of this groundbreaking work presents authoritative health and nutrition information available in an easy-to-use format and a friendly, engaging tone. “An...

The False Fat Diet

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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.