Ray Lewandowski Books

The Imprint Of God: Secrets In Our Genetic Code

By "Ray", LEWANDOWSKI, Ray Lewandowski, Raymond C. Lewandowski

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perhaps There Is A Secret In Our Genetic Code That Can Be Life Changing For Each And Every One Of Us. The Imprint Of God Starts At The Beginning-the Beginning Of Time. Chaos Turned Into Order And T...

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.