Dennis Chalker Books

Hell Week: SEALs in Training

By Dennis C. Chalker

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The Home Team: Undeclared War

By Dennis C. Chalker

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The Home Team: Hostile Borders

By Dennis C. Chalker

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Weapons Grade

By Dennis Chalker, Kevin Dockery

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One Perfect Op

By Dennis Chalker, Kevin Dockery, Dennis C. Chalker

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No Elite Military Commando Unit Since The Darkest Days Of Korea And Vietnam Has A More Storied History Than The U.s. Navy Seals, A Stealth Fighting Force Legendary For Its Abilities To Wage Covert...

Hell Week

By Dennis C. Chalker

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Hostile Borders

By Dennis C. Chalker

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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.