Ellington Darden Books

A leading authority on fitness and bodybuilding provides specific, day-by-day instruction for achieving the ultimate physique, including exercises, routines, equipment, food, vitamin supplements, t...

High-Intensity Strength

By Darden Ellington, Ellington Darden

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The Nautilus Book

By Ellington Darden, Darden

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The Body Fat Breakthrough: Tap The Muscle-Building Power Of Negative Training And Lose Up To 30 Pounds In 30 Days [Hardcover] [Jan 01, 2014]

By Ellington Darden, Darden PhD, Ellington

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The author put 115 overweight men and women on a workout program and achieved remarkable results. This book illustrates these results through 20 inspiring before and after photographs. It is suitab...

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.