Michael Keefe Books

Renowned for its historic mansions, posh resorts, and deep blue waters, Lake Geneva—a haven for Chicago's movers and shakers since the Great Fire of 1871—is brought to life in this guide packed wit...

Riding the Waves Technology in Dentistry

By Michael Keefe

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All Her Loved Ones Encoded

By Michael Keefe

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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.