Tina Chunna Zhang Books

Classical Northern Wu Style Tai Ji Quan

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Here is the original, rarely seen Tai Ji Quan developed by Yang Lu Chan's best Imperial Palace Guard student, Quan You, over 150 years ago. While other styles branched off into sport, health, and m...

The Whirling Circles of Ba Gua Zhang

By Frank Allen, Tina Chunna Zhang

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This is the most complete book on the art of Ba Gua Zhang ever presented in English. It tells the story of the history and legends of the art and its most famous masters as well as presenting the b...

Earth Qi Gong for Women

By Tina Chunna Zhang

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The special medical Qi Gong described in this book was developed and perfected over the course of 1,700 years by Taoists, traditional Chinese medical doctors, and Qi Gong experts in China to meet t...

QI GONG DE LA TIERRA PARA LAS MUJERES

By Tina Chunna Zhang

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Three Treasures

By Tina Chunna Zhang

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Earth Qi Gong for Women

By Tina Chunna Zhang

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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.