Katherine Couric Books

The Brand New Kid

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Ellie McSnelly and Carrie O'Toole were running and laughing-their first day of school was today! And they wondered just what was in store.Would this be a good year?Would school be a bore?Everyone r...

The Blue Ribbon Day

By Katie Couric, Katherine Couric

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When Carrie is disappointed not to make the school soccer team, she turns her attention to creating a science fair project.

The Blue Ribbon Day

By Katherine Couric

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El nino nuevo

By Katherine Couric

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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.