Dr. Steven Farmer Books

Soul Lost Soul Restored

By Cynthia Krejcsi, Kathleen McGinley, Dr. Steven Farmer

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Pocket Guide to Spirit Animals

By Dr. Steven Farmer

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Following the publication of the popular and best-selling Animal Spirit Guides, several people commented that they would like to see a smaller pocket-sized version—one they could carry in the...

Healing Ancestral Karma

By Steven Farmer

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Pocket Guide to Spirit Animals

By Dr. Steven Farmer

Average: 0.00, 0 Ratings

Following the publication of the popular and best-selling Animal Spirit Guides, several people commented that they would like to see a smaller pocket-sized version—one they could carry in the...

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.