Isobel Bird Books

Circle of Three 12: Written in the Stars

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Disillusioned, Cooper abandons the Wiccan circle and Kate and Annie are left without her. But when an illness threatens someone close to one of them, Cooper returns. Can the circle, once broken, ev...

Circle of Three 13: And It Harm None

By Isobel Bird

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The challenge box

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Initiation

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Circle of Three 2

By Isobel Bird

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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.