PhD, Kathy Koch Books

Start With The Heart: How To Motivate Your Kids To Be Compassionate, Responsible, And Brave

By Kirk Cameron, Kathy Koch PhD, PhD, Kathy Koch

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Parenting strategies you can be proud of You know the feeling. You got frustrated, desperate, or overwhelmed and you reacted before you could think it through. Whether it's a one-time thing or it b...

Raising Resilient Kids

By Kathy Koch

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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.