Sandra Grey Books

Tribunal

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Berlin, 1945. Two German officers--one a Mormon, the other an SS lieutenant--find themselves on opposite sides as tensions escalate between the United States and Russia as the world's emerging supe...

Traitor

By Sandra Grey

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Trespass

By Sandra Grey

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May, 1946. When an agreement between German officer Hans Brenner and U.S. intelligence goes horribly wrong, Russian Lieutenant Viktor Rostov must deliver Hans or risk losing his daughter forever. H...

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.