Jose M Fraguas Books

The masters speak

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Interviews with martial arts masters: Bong Soo Han, Ralph Castro, Hee Il Cho, Jun Chong, Kensho Furuya, Leo M. Giron, Joseph Halbuna, Stephen Hayes, Heo In Hwan, Dan Inosanto, Rob Kaman, Ben Largus...

Best of C.F.W. Martial Arts 2001 Best of C.F.W. Martial Arts

By Jose M. Fraguas

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Encyclopedia of Brazilian jiu-jitsu

By Rigan Machado

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Karate Masters Volume 5

By Jose M Fraguas

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Karate Masters Volume 3

By Jose M Fraguas

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Shito Ryu Masters

By Jose M Fraguas

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Escrima Masters

By Jose M. Fraguas

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Encyclopedia of Brazilian Jiu Jitsu

By Rigan Machado, Jose M. Fraguas

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Karate Masters

By Jose M. Fraguas

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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.