Karl Jones Books

"Cute and familiar." - KirkusFrom New York Times Best-Selling illustrator, Kathryn Durst, and Penguin Workshop editors and authors, Renee Hooker and Karl Jones, comes a tale of a young girl who ima...

Day of the Dead Mad Libs

By Karl Jones

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Mad Libs is the world’s greatest word game and the perfect gift or activity for anyone who likes to laugh! Write in the missing words on each page to create your own hilariously funny stories all a...

Christmas Activity Book

By John Joven, Karl Jones

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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.

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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