Ryan Parsons Books

The Four Pack Revolution

By Chael Sonnen, David Bendena, Ryan Parsons

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"A proven alernative to the unrealistic programs offered by the dieting industrial complex, The Four-Pack Revolution relies on the latest science and motivational exercises to guide readers on a jo...

Meaning of Life

By Ryan Parsons

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The Four-Pack Revolution

By Chael Sonnen, Ryan Parsons

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Not everyone can achieve a six-pack like a fitness magazine cover model, but anyone can achieve a four-pack. By adjusting your expectations to attainable and healthy goals, you can achieve long-ter...

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.