Davidine Sim Books

Chen Style Taijiquan: The Source Of Taiji Boxing

By David Gaffney, Davidine Sim, David Gaffney And Davidine Siaw-Voon Sim

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As Taijiquan has become increasingly popular, many people have inquired into its origins and development. Answers can be found in the Chen Style, the original method from Chen Village, Henan Provin...

Chen Taijiquan: Masters And Methods

By Davidine Siaw-Voon Sim, David Gaffney, Davidine Sim

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Few arts are more misunderstood in today’s fast-paced digital age than Taijiquan. Typically it is represented in one of two diametrically opposed, but equally misleading ways. In the world of marti...

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.