Dr. Alan Christianson Books

The Metabolism Reset Diet

By Dr. Alan Christianson

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Healing Hashimoto s

By Dr. Alan Christianson

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The complete idiot s guide to thyroid disease

By Christianson Alan Dr

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An ailing thyroid can cause a myriad of symptoms that make it difficult for even experienced doctors to recognize when you have a thyroid problem. This guide helps you navigate the maze of conflict...

The Metabolism Reset Diet

By Alan Christianson

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Dr. Alan Christianson, top naturopathic physician and bestselling author of The Adrenal Reset Diet, introduces a four-week cleanse that heals damage to the liver, helping readers unlock the key to...

The Hormone Healing Cookbook

By Alan Christianson

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Discover cutting-edge dietary solutions to hormone imbalances with 80 recipes to help reverse hormonal weight gain, fatigue, insomnia, and more, from the integrative physician and New York Times be...

Take Charge of Your Thyroid Disorder

By Alan Christianson, Hy Bender

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The Metabolism Reset Diet

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Dr. Alan Christianson, top naturopathic physician and bestselling author of The Adrenal Reset Diet, introduces a four-week cleanse that heals damage to the liver, helping readers unlock the key to...

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.