Judith Hoffman Corwin Books

Easter fun

By Judith Hoffman Corwin

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Cookie fun

By Judith Hoffman Corwin

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Recipes for holiday and everyday cookies, rated for difficulty.

Birthday fun

By Judith Hoffman Corwin

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Describes how birthdays are celebrated in all parts of the world and gives instructions for making a variety of items including invitations party favors, presents and special foods for a birthday c...

Birthday fun

By Judith Hoffman Corwin

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Jewish holiday fun

By Judith Hoffman Corwin

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An activity book for celebrating Jewish holidays by cooking, doing crafts, and learning things.

Jewish holiday fun

By Judith Hoffman Corwin

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An activity book for celebrating Jewish holidays by cooking, doing crafts, and learning things.

Halloween Fun OS

By Judith Hoffman Corwin

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My first riddles

By Judith Hoffman Corwin

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Kwanzaa Crafts

By Judith Hoffman Corwin

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Words, words, words, words

By Judith Hoffman Corwin

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Words and matching pictures are grouped under such topics as the body, house, grocery store, and zoo.

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.