Sang H. Kim Books

Teaching The Way of the Master

By Sang H. Kim

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Complete Taekwondo Poomsae

By Kyu Hyung Lee, Sang H. Kim

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"Complete Taekwondo Poomsae" is the most complete reference book available on the Taegeuk, Palgwae and Black Belt Poomsae of WTF style Taekwondo. Grandmasters Kyu Hung Lee and Sang H. Kim have comb...

Vital Point Strikes

By Sang H. Kim

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This is a guide to pressure point striking for the average martial artist. Sang H Kim demystifies the lore of vital point striking and shows you realistic applications of vital point strikes for se...

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.

Sang H. Kim Books

Teaching The Way of the Master

Vital point strikes

Power breathing

Complete kicking

Taekwondo self defense

Taekwondo step sparring

Taekwondo taegeuk forms

1001 maximes de motivation

Complete Taekwondo Poomsae

Vital Point Strikes

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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