Eric Zielinski DC Books

The Essential Oils Apothecary

By Sabrina Ann Zielinski, Eric Zielinski DC

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Soothing practices, healing rituals, and 150+ practical recipes for applying essential oils to the treatment and symptom management of 25 chronic illnesses, including insomnia, libido, fibromyalgia...

The Essential Oils Diet

By Sabrina Ann Zielinski, Eric Zielinski D.C.

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The Healing Power of Essential Oils

By Eric Zielinski D.C.

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NATIONAL BESTSELLER • Discover the life-changing benefit of essential oils and aromatherapy in this soup-to-nuts guide from the host of the Essential Oil Revolution summits &ldq...

The Essential Oils Diet

By Sabrina Ann Zielinski, Eric Zielinski DC

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The first diet program that harnesses essential oils and bioactive foods for weight loss and disease prevention, from the nation’s trusted authority in essential oils and natural remedies. Th...

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.