Ryan Levesque Books

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By Ryan Levesque

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The Lifestyle Investor

By Mike Koenigs, Ryan Levesque, Justin Donald

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The Lifestyle Investor

By Mike Koenigs, Ryan Levesque, Justin Donald

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By Ryan Levesque

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When it comes to the way business is carried out online, the earth beneath our feet is shifting right now--and shifting quickly. The one-size-fits-all approach is fast becoming obsolete. More and m...

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By Ryan Levesque

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What type of business should you start?For the past 10 years, Inc. 500 CEO and #1 national best-selling author, Ryan Levesque--featured for his work in the Wall Street Journal, USA Today, Forbes, a...

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By Ryan Levesque

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The go-to guide for small-business owners and entrepreneurs to discover exactly what consumers want to buy and how to get it to them.As a small-business owner, entrepreneur, or marketer, are you ab...

101 Book Marketing Ideas for All Budgets

By Ryan Levesque, Bo Bennett

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Squat

By Ryan Levesque, Bo Bennett

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By Ryan Levesque, Levesque Ryan

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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.