Michael Loyd Gray Books

"Amelia Earhart disappeared in 1937. Did she crash in the ocean? No. The Canary projects her final days and a surprising friendship with the young Hemingway"--Page 4 of cover.

The Armageddon Two Step

By Michael Loyd Gray

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By Michael Loyd Gray

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Approach to darkness

By David Spiering

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By Michael Loyd Gray

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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.