Matthew J. Gilbert Books

The Rude and Ridiculous Royals of Classroom 13
The Disastrous Magical Wishes of Classroom 13
The Disastrous Magical Wishes of Classroom 13

By Honest Lee

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"Ms. Linda and her students of Classroom 13 each get one wish granted from a dangerous Djinn, which brings chaos and hilarious moments to their lives"--

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The Disastrous Magical Wishes of Classroom 13
The Fantastic and Terrible Fame of Classroom 13
The Fantastic and Terrible Fame of Classroom 13
The Unlucky Lottery Winners of Classroom 13
The Super Awful Superheroes of Classroom 13
The Super Awful Superheroes of Classroom 13 Classroom 13 Series Book 4
The Happy and Heinous Halloween of Classroom 13
Showdown with Shredder
Showdown with Shredder

By Matthew J. Gilbert

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"The ruthless martial arts master Shredder has an evil plan to defeat Splinter and destroy the Teenage Mutant NInja Turtles. Can he be stopped?"--Page 4 of cover.

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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.

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