Barbara Knox Books

Baby animals 1, 2, 3

By Barbara Knox

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Illustrations and simple text describe the activities of baby animals, from one puppy to ten kittens.

Under the sea 1, 2, 3

By Barbara Knox

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Presents a variety of creatures that live in the ocean, from one parrotfish to ten crabs.

Animal babies ABC

By Barbara Knox

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Introduces baby animals through photographs and text that describe one animal for each letter of the alphabet.

ABC under the sea

By Barbara Knox

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Introduces ocean creatures through photographs and brief text that describe one animal for each letter of the alphabet.

Abraham Lincoln

By Barbara Knox

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A simple biography of the man who served as president of the United States during the Civil War.

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.