Jeff Horowitz Books

Ageless strength

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"In this proven program, coach and trainer Jeff Horowitz offers a dynamic mix of exercises to fight the effects of aging. These functional exercises make use of body weight or minimal equipment, so...

Entrenamiento inteligente para maraton Spanish Edition

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Entrenamiento de la fuerza para corredores

By Jeff Horowitz, Alberto Munoz Soler

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Marine Corps Marathon

By Jeff Horowitz, Steve Nearman

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Think Like a Runner

By Jeff Horowitz

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Think Like a Runner

By Jeff Horowitz

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Smart marathon training

By Jeffrey Horowitz

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Smart Marathon Training

By Jeff Horowitz

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Quick Strength for Runners

By Jeff Horowitz

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Ageless Strength

By Jeff Horowitz

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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.