Kathy Downs Books

Novac s Way

By Kathy Downs, Mike Downs

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Agent Keys Steps Out

By Kathy Downs, Mike Downs

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Explore Bible Stories Route 52

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Teaching Toddlers

By Kathy Downs, Betty Aldridge, Joy M. Grewell

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I'm not afraid

By Kathy Downs

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Children have a special friend who helps them not to be afraid of dark shadows, loud sirens, strange foods, new teachers, and other scary things.

Sounds of Deception

By Kathy Downs, Mike Downs

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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.