Brad Hudson Books

Run Faster from the 5K to the Marathon

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Learn how to run faster, unlock your potential, and reach peak performance with this practical guide featuring training advice from a former Olympic trials marathoner and coach to Olympians.“...

Run Faster from the 5K to the Marathon

By Brad Hudson, Matt Fitzgerald

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Learn how to run faster, unlock your potential, and reach peak performance with this practical guide featuring training advice from a former Olympic trials marathoner and coach to Olympians.“...

Young Runners at the Top

By Kevin Beck, Brad Hudson, Lize Brittin

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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.