Thomas Glenn Books

The Supernormal Sleuthing Service #1: The Lost Legacy

By Thomas Glenn, Glenn Thomas, Chistopher Rowe, Gwenda Bond, Bond, Gwenda, Rowe Christopher

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Three kids. A hotel full of monsters. And a stolen magical artifact that could disrupt the balance between the humans and the supernatural. Welcome to life at Hotel Monster! Escape from Mr. Lemonce...

Steroids And Shock

By Thomas Glenn, Thomas Michael Glenn

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Planting Design : An Exploration Of Emerging Theoretical Frameworks To...

By Thomas Glenn

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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.