Haijian Mao Books

The Qing Empire and the Opium War

By Joseph Lawson, Craig Smith, Julia Lovell, Haijian Mao, Peter Lavelle

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Cong jia wu dao wu xu

By Haijian Mao

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See summary in Chinese.

Wu xu bian fa shi shi kao chu ji

By Haijian Mao

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Summary in vernacular field only.

Wu xu bian fa shi shi kao er ji

By Haijian Mao

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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.