Michael Rex Books

A group of young trick-or-treaters demonstrate that "feet are for stomping," "eyes are for peeking," "mouths are for moaning," and "tummies are for treating."

My freight train

By Michael Rex

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A little boy, living out his fantasy of driving his own freight train, describes the different cars, what each carries, how they are connected, and more.

The pie is cherry

By Michael Rex

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Text and pictures describe things in a kitchen from utensils to food.

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.