Kevin Leman Books

Study after study show that fathers set up their daughters for success. Involved fathers--whether or not they live in the same house as their children--boost their daughter's academic achievement,...

New Birth Order Book Why Your Are the Way You Are

By Leman Kevin

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Unlocking The Secrets Of Your Childhood Memories

By Dr. Kevin Leman, Randy Carlson

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Bringing Up Kids Without Tearing Them Down How To Raise Confident Successful Children

By Dr. Kevin Leman

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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.