Guangchao Zhao Books

In the Forbidden City

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"Serving as the seat of imperial power for six centuries, the Forbidden City is one of China's most famous and enigmatic landmarks. Accompanied by a mischievous cat, readers will tour this colossal...

Zi jin cheng 100

By Guangchao Zhao

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Bi ji Qing ming shang he tu

By Guangchao Zhao

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The Grand Forbidden City

By Guangchao Zhao

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Bi ji Qing ming shang he tu

By Guangchao Zhao

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Da Zi jin cheng

By Guangchao Zhao

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What Was It Like Mr. Emperor

By Nancy S. Steinhardt, Kwong Chiu Chiu, Ben Wang

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Yi zhang mu yi

By Guangchao Zhao

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Bi zhi Zhongguo hua

By Guangchao Zhao

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Shi er mei ren

By Guangchao Zhao

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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.