Derek Wallace Books

Dora the Explorer meets No Reservations in this delicious picture book debut! Follow Kalamata and her alligator sidekick on the first of many exciting food adventures in a charming story about faci...

Kalamata's Kitchen: Taste Buds in Harmony

By Sarah Thomas, Derek Wallace

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Kalamata and her alligator sidekick Al Dente are back in a brand-new adventure! Join them and their friend Kyo as they discover how different ideas and ingredients can create magic when mixed toget...

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.