Sofie Kelly Books

A Tale of Two Kitties

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In this charming mystery from the bestselling author of The Cats Came Back, two magical cats have powers of detection that prove indispensable to librarian Kathleen Paulson… With a well-placed paw...

The Cats Came Back

By Sofie Kelly

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In this Magical Cats Mystery, now in paperback, small-town librarian Kathleen Paulson often seems to gets mixed up in murder, but luckily, her very special cats always find a way to help her close...

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.