Augusta Groner Books

he Watched Over And Protected Her, He Would Even Give His Life For Her. What He Could Not Do Was Love Her . . . when Michael Was A Homeless Waif Roaming New York's Back Alleys, He Risked His Life...

The Case Of The Golden Bullet

By Augusta Groner, Grace Isabel Colbron

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The Case Of The Pocket Diary Found In The Snow

By Augusta Groner, Auguste Groner

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Case Of The Lamp That Went Out

By Augusta Groner, Grace Isabel Colbron

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Detective Joe Muller : Five Mysteries

By Augusta Groner

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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.