Bruce Kumar Frantzis Books

"Bruce Frantzis demystifies the fundamental principles of chi gung and provides a comprehensive exercise program with detailed illustrations to increase life energy, improve health, boost sports pe...

The Power of Internal Martial Arts and Chi

By B.K. Frantzis

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The chi revolution

By Bruce Frantzis, Bruce Kumar Frantzis

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"The CHI Revolution teaches The 15-Minute Chi WorkoutTM comprised of movements from Dragon and Tiger medical chi gung. It also discusses the major signs of depleted chi, eight obstacles to practice...

Qi Gong

By Bruce Kumar Frantzis, Antonia Leibovici

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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.