Chang Yan Books

Beijing yi zhi xing
Beijing yi zhi xing

By Yan Chang

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Liu Shaoqi mou lue
Liu Shaoqi mou lue

By Chang Yan

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Xing ge gai bian ming yun de 22 tang ke
Xing ge gai bian ming yun de 22 tang ke

By Ma Deng, Chang Yan

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Ben shu jiang shu le ru he gai bian xing ge jiu hui gai bian ming yun de 22 tang ke, Bao kuo"ni bi ni xiang xiang de hai neng gan", "ta men neng zuo dao, Ni ye yi yang", "zhua zhu ji hui, Ni hui zu...

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Shi yong dui lian jing bian
Shi yong dui lian jing bian

By Chang Yan

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Shi yong dui lian jing bian
Shi yong dui lian jing bian

By Chang Yan

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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.

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