Marcia Gruver Books

In settings from 1865 to 1910, nine couples are thrown back on the same path by life’s changes and challenges. A neighbor returns from law school. An heiress seeks a quick marriage. A soldier’s hom...

First Love Forever Romance Collection

By Marcia Gruver, Carrie Fancett Pagels, Cynthia Hickey, Martha Rogers, Susanne Dietze

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Old West Christmas Brides

By Marcia Gruver, Rosey Dow, Darlene Franklin, Margaret Brownley, Vickie McDonough

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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.