Antony Cummins Books

Ninja Skills

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The world's only illustrated guide to the real ninja teachings of historic Japan with original techniques presented in a highly accessible 'how-to' format The shadowy figure of the ninja—exp...

Samurai Arms, Armour & the Tactics of Warfare

By Antony Cummins

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This pioneering study of samurai weapons, armor, and strategies is a fascinating slice of martial arts history, as seen through the eyes of an authentic seventeenth-century samurai m...

The Ultimate Art of War

By Antony Cummins

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The most accessible edition of Sun Tzu’s military strategy treatise, The Art of War—perfect for martial arts enthusiasts and anyone looking to enhance their leadership and strategic thi...

How To Be a Modern Samurai

By Antony Cummins

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Take inspiration from the samurai of old Japan and discover how their practices for self-discipline, focus, leadership, and mind control can help you find success in daily life!For centuries, the J...

The Ultimate Guide to Yin Yang

By Antony Cummins

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WHAT IS YIN YANG? Learn to receive abundance from the universe with this first-ever guide explaining the Chinese concept of opposites in easy-to-understand terms and striking red-black illustration...

The Book of Bushido

By Antony Cummins

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Dive into Japanese history—and discover who the samurai really were—in this fascinating study that reveals the flawed human warriors behind the idealistic myths. This is the go-to volum...

The Ultimate I Ching

By Antony Cummins

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All you need to know to start working with the I-Ching straightaway. Uniquely accessible, with simple step-by-step lessons and striking red-and-black graphics.Pick up The Ultimate I-Ching and you w...

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.