Adam Markel Books

Success from the Heart

By Julia Erickson, Douglas C. Curtiss, Adam Markel, Elena Pezzini

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"The successful CEO of the internationally renowned Peak Potentials--who has trained thousands of people to find new jobs, careers, and directions--shares his practical and inspirational program fo...

Pivot

By Adam Markel

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Pivot

By Adam Markel

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I Love My Life Challenge

By Adam Markel

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I Love My Life Challenge The Art and Science of Reconnecting with Your Life

By Adam Markel

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Soul over matter

By Zhi Gang Sha

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"Combine Eastern and Western wisdom, mix in proven techniques from Adam Markel the CEO of New Peaks and proven techniques from legendary soul healer Dr. and Master Sha, and you get Soul Over Matter...

Soul over Matter

By William Gladstone, Marilyn Tam, Zhi Gang Sha, Adam Markel

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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.