Bill Greene Books

Table of contents COMMON GENIUS Guts Grit and Common Sense

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Table of Contents Preface Acknowledgements Chapter 1 -- The Theory of History 3 Chapter 2 -- Past Summaries of The Past 16 Chapter 3 -- The Nature of Inte...

Now you can make a fortune in real estate. This underground bestseller has helped thousands get control of their time, government involvement, money, and tax problems. “Read my book and find out ho...

Think Like a Tycoon

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How To Trace Missing Heirs

By Bill Greene

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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.