Donna Cavanagh Books

How to Write and Share Humor

By Dwayne Booth, Donna Cavanagh

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Ramo to the Rescue

By Hannah Farr, Donna Cavanagh

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Poems for a Positive Day III

By Donna Cavanagh

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Reality Fantasy s Evil Twin

By Donna Cavanagh

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A Canine's Guide to the Good Life

By Friends, Frankie, LuLu

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You'll love this short tail-wagging tale from two pooches who've been around the block with and without a leash. Frankie and LuLu tell it like it is when it comes to reining in an owner and getting...

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.