Kathy Koch PhD Books

Finding Authentic Hope and Wholeness

By Kathy Koch

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8 Great Smarts

By John Stonestreet, Kathy Koch PhD

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Start with the Heart

By Kathy Koch PhD

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No More Perfect Kids Love Your Kids For Who They Are

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Screens and teens

By Kathy Koch

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"Technology is one of the benefits of living in today's world. It is a non-negotiable for success in our educational, vocational, and social cultures. Yet, with all the advantages there are inher...

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.