Melissa Iwai Books

Illustrations and rhyming text introduce a variety of tools, and the father and son who use them to fix everything from a squeaky step to a drawer that sticks.

A mother and child spend a snowy day together buying and preparing vegetables, assembling ingredients, and playing while their big pot of soup bubbles on the stove. Includes a recipe for "Snowy Day...

Soup Day

By Melissa Iwai

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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.