Doreen Marts Books

"Cammy Chameleon has been blending in all her life to help her catch bugs, but lately it seems like no one is paying attention to her. One day, Cammy has an idea. She carefully concentrates and the...

Baxter the Tweeting dog

By Doreen Mulryan Marts

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Baxter's friend Lucy is missing, and so he begins "Twoofing," the dog equivalent of "Tweeting," with all of the neighborhood pups, who find clues to her whereabouts while going about their daily ro...

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.