Bert Frandsen Books

Allies in Air Power

By Bert Frandsen, John Moremon, Andrew Conway, Steven Paget, Matthew Powell

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Hat in the Ring

By Bert Frandsen

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When Congress declared war in April 1917, the Europeans had already deployed their third generation of fighters, equipped with machine guns and capable of speeds in excess of 100 miles per hour, wh...

Hat in the Ring

By Bert Frandsen

Average: 0.00, 0 Ratings

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.