Ralph Pezzullo Books

"Hackers from the North Korean government are one click away from obtaining black market nuclear weapons. Only the heroes of SEAL Team Six can stop them. In Don Mann and Ralph Pezzullo's newest nov...

Zero Footprint

By Ralph Pezzullo, Simon Chase

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Zero footprint

By Chase Simon Royal Marines Commando

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Writing under a pen name, a former member of the British Royal Marine Commandos provides an insider account of the shadowy world of private U.S. military contracting, revealing operations too dange...

Zero Footprint

By Ralph Pezzullo, Simon Chase

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.