Dr. Gregory L. Jantz Books

Healing the Scars of Emotional Abuse

By Dr. Gregory L. Jantz, Ann McMurray

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Losing Weight Permanently

By Gregory L. Jantz

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Hope, Help, and Healing for Eating Disorders

By Gregory L. Jantz

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Heal your relationship with food. Eating disorders and disordered eating ravage and consume too many lives. In this powerful book for individuals suffering from eating disorders—as well as those w...

Don t Call It Love Breaking the Cycle of Relationship Dependency

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Turning the Tables on Gambling

By Gregory L. Jantz

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Healing the Scars of Emotional Abuse

By Gregory L. Jantz Ph.D., Ann McMurray, Gregory L. Ph.D. Ph.D. Jantz, Gregory L. Jantz

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Don t Call It Love

By Ann McMurray, Gregory L. Jantz, Tim Clinton

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Hidden Dangers of the Internet

By Dr. Gregory L. Jantz, Gregory L. Jantz

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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.