Brian MacKenzie Books

Unplugged

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In the first quarter of 2016, Americans bought 19.7 million fitness wearables, an increase of 67 percent over the previous year. By 2020, the global market for fitness-focused apps and devices is e...

Power Speed Endurance

By Brian Mackenzie Glen Cordoza

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Power, Speed, ENDURANCE is a highly effective training system that has catapulted thousands of endurance athletes to the next level. Developed by CrossFit Endurance founder Brian MacKenzie and feat...

Unbreakable runner

By T. J. Murphy

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Stamina, strength, endurance, resilience: these are the keys to successful running. Yet injury rates from running are at an all-time high, and training is often to blame. CrossFit Endurance found...

Power Speed Endurance

By Glen Cordoza, Brian MacKenzie

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Power Speed Endurance

By Brian Mackenzie

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Unplugged

By Brian Mackenzie

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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.