John Kuo Wei Tchen Books

From invading hordes to enemy agents, a great fear haunts the West!The “yellow peril” is one of the oldest and most pervasive racist ideas in Western culture—dating back to the bi...

Yellow peril!

By Dylan Yeats, John Kuo Wei Tchen

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"The "yellow peril" is one of the most long-standing and pervasive racist ideas in Western culture--indeed, this book traces its history to the Enlightenment era. Yet while Fu Manchu evokes a fadin...

Chinese American

By John Kuo Wei Tchen

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Genthe s Photographs of San Francisco s Old Chinatown

By John Kuo Wei Tchen, Arnold Genthe, Gustina Scaglia

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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.