Billingham, Justyn Books

Kickboxing Sparring

By Billingham, Justyn Billingham, Justyn, Billingham, Justyn

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Kickboxing is practiced all over the world and is one of the fastest growing sports today. Moreover, it is a martial art that can be enjoyed by almost everyone who is physically fit, regardless of...

Kickboxing Training Drills

By Justyn Billingham, Billingham, Justyn

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Continual improvement of technique is a crucial part of a kickboxing fighter's success. Good technique will turn a run-of-the-mill kick or punch into an effective attack against an opponent. Kickbo...

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.