Stewart Smith Books

Strength training program for tactical professionals—workouts based in weight lifting, body weight calisthenics, cardiovascular training, and swimming— and scaled for a variety of l...

Warrior Workouts, Volume 1

By Stewart Smith

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From a Navy SEAL comes the absolute best in result-driven fitness regimens, drawn from the same essential training and workout plans used for police officers, military, and firefighters to keep t...

Practical MythTV

By Stewart Smith, Michael Still

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The monasteries of Amdo

By Stewart Smith

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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.