Gregory L. Jantz Books

Raising Boys by Design

By Michael Gurian, Ann McMurray, Gregory L. Jantz

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Help your son grow into the strong, loving man God created him to be with Raising Boys by Design. Packed with doable strategies and eye-opening examples of what’s really going on inside a boy’s bra...

Turning Your Down into Up

By Gregory L. Jantz

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You Can Hope Again If you feel you will never get out of depression, Dr. Gregg Jantz has one word for you: hope. Gregg believes that since every person’s path into depression is unique, every pat...

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...

Stranger in Your House

By Gregory L. Jantz

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Overcoming anxiety worry and fear

By Gregory L. Jantz

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Battles men face

By Gregory L. Jantz

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So Much to Live For

By Keith Wall, Gregory L. Jantz

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So Much to Live For

By Keith Wall, Gregory L. Jantz

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Triumph over Trauma

By Keith Wall, Gregory L. Jantz

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Every woman s guide to managing your anger

By 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.