John Graden Books

The Ultimate Martial Arts Q&A Book: 750 Expert Answers To Your Essential Questions

By John Corcoran, John Graden, John Corcoran, John Graden, Corcoran, John

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the Ultimate Martial Arts Q&a Book Offers New And Experienced Martial Arts Students Expert Answers To 750 Questions. Organized By Theme Into 15 Distinct Chapters, Students Of All Martial Arts Style...

Black Belt Management

By John Graden

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Acma Instructor Certification Manual

By John Graden, John Corcoran And John Graden, Et Al Ann Boyce

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American Council On Martial Arts

By John Corcoran, John Graden

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The Art Of Marketing Without Marketing: How To Attract Clients Instead Of Chasing Them

By John Graden

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Letting Go, Hanging On

By Graden, John (Oblate Priest), John Graden, John L. Graden, Author, Wendy M. Wright, Foreword

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Letting Go, Hanging On seeks to help people examine their lives in terms of what they hold on to, should hold on to, and what they should let go of in order to grow spiritually and follow Jesus. Jo...

Letting Go, Hanging On

By Graden, John (Oblate Priest), John Graden, John L. Graden, Author, Wendy M. Wright, Foreword

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How To Stop Bullying In School And The Workplace

By Chris Sutton, John Graden

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Impostor Syndrome

By Brian Tracy, John Graden

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The Truth About Martial Arts Business

By John Graden

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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.