Laura Joffe Numeroff Books

Taking a mouse to the movies can lead to letting him do other things, such as making a snowman, listening to Christmas carols, and decorating the Christmas tree.

Laura Numeroff's 10-Step Guide to Living with Your Monster

By Laura Joffe Numeroff

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A guide to choosing and caring for your own pet monster, which includes useful information such as "monsters love country western music" and "monsters love to buy gum."

If you give a mouse a cookie

By Laura Joffe Numeroff

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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.